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Objective@#To investigate the fatigue status of military personnel stationed in plateau and high cold region, and to analyze the mediator effect of trait coping style on job stress and fatigue.@*Methods@#In October 2010, with the method of cluster random sampling survey, 531 military personnel stationed in plateau and high cold region were chosen as subject. The fatigue status were evaluated by the Chinese version multidimensional fatigue inventory (MFI-20) , job stress were evaluated by the Job Stress Survey (JSS) , and trait coping style were evaluated by the Trait Coping Style Questionnaire (TCSQ) .@*Results@#According to the information of different population characteristics, mean rank of physical fatigue about the urban (town) group were higher than that of rural group (Z=-2.200, P<0.05) ; mean rank of reduced motivation about the urban (town) group were higher than that of rural group (Z=-2.781, P<0.05) ; mean rank of general fatigue scores about the urban (town) group were higher than that of rural group (Z=-3.026, P<0.05) ; mean rank of physical fatigue about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-4.045, P<0.05) ; mean rank of reduced motivation about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-2.182, P<0.05) ; mean rank of mental fatigue about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-2.879, P<0.05) ; mean rank of general fatigue scores about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-3.647, P<0.05) ; mean rank of reduced motivation were significant statistical difference among the military officers, sergeancy and soldier group (F=18.965, P<0.05) ; mean rank of general fatigue scores were significant statistical difference among the military officers, sergeancy and soldier group (F=14.711, P<0.05) . The score of negative coping style were positively correlated with the score of physical fatigue (rs=0.129) , reduced activity (rs=0.123) , reduced motivation (rs=0.149) and general fatigue (rs=0.174) respectively, the score of organizational support lack strength were positively correlated with the score of physical fatigue (rs=0.090) , reduced activity (rs=0.098) , reduced motivation (rs=0.099) and general fatigue (rs=0.130) respectively. The mediator effect of negative coping style on the job stress and fatigue was 0.013 (P<0.01) .@*Conclusion@#The fatigue statuses of the urban (town) group and the up or equal 20-years old age group are poor, and the negative coping style plays mediator effect on the job stress and fatigue.
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Objective To investigate the quality of life of army recruits in their basic military training period,and to analyze the influence of job burnout and work satisfaction on their quality of life.Methods A total of 625 recruits enrolled in 2014 of Xinjiang Army troop were chosen as subjects in this study by stratified cluster random sampling.Quality of life was assessed by Chinese version SF-36(Short-Form Health Survey Scale),job burnout was assessed by Chinese version Maslach Burnout inventory general survey (MBI-GS) and work satisfaction was assessed by Chinese version Minnesota Satisfaction Questionnaire (MSQ).Results The scores of PCS and MCS about 597 recruits were (85.93±12.62) and (81.10±14.12) respectively.According to demographic characteristics,the score of physiological function was lower than that of non-smoking group (t=2.009,P＜0.05),the score of role physical was lower than that of non-smoking group (t=2.617,P＜0.05),and the score of PCS was lower than that of non-smoking group (t=2.141,P＜0.05).As to except reported health transition,there were negative correlations between emotional exhaustion,depersonalization and other SF-36 scales (r=-0.344～-0.661,P＜0.01) respectively.There were negative correlations between personal accomplishment and vitality (r=-0.204,P＜0.05),role emotional (r=-0.239,P＜0.05),mental health (r=-0.289,P＜0.05) and MCS (r=-0.276,P＜0.05) respectively.Work satisfaction and quality of life was positively correlated (r=0.243～0.635,P＜0.01).As to the independent variable,regression analysis showed that emotional exhaustion (β=-4.732,P＜0.01),Minnesota external satisfaction (β=0.783,P＜0.01) influenced PCS,the difference was statistically significant.Emotional exhaustion(β=-6.534,P＜0.01),pre-enlistment place of residence (β=-5.319,P＜ 0.05),Minnesota external satisfaction (β=0.813,P＜0.01)influenced MCS,the difference was statistically significant.Conclusion Job burnout and work satisfaction influence the quality of life about the army recruits,the more job burnout signify the lower quality of life,and its influence on mental health is more significant.The higher work satisfaction signify the higher quality of life.
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Objective To investigate the internal quality control ( IQC ) on clinical chemistry , clinical immunology and clinical hematology in mutual recognition laboratories in medical institutions in Beijing.Methods By means of questionnaire survey and on -site investigation, fresh frozen serum and whole blood samples with assigned values by reference method were measured to investigate the status of IQC on clinical chemistry , clinical immunology and clinical hematology in 142 mutual recognition laboratories in medical institutions of Beijing,and results were analyzed.Results 142 copies of questionnaireson clinical chemistry, clinical immunology and clinical hematology were send out and 120, 97, and 101 laboratories returned the questionnaires respectively .The information feedback rate was 84.5%, 68.3% and 71.1%respectively .All the questionnaires were effective .Questionnaires survey results showed that more than 50%laboratories set up quality control goals and the most of the goals were probability for error detection ( Ped) 95%, probability for false rejection(Pfr)5%;About 70% laboratories usecd the same quality control plan for different tests ;The most frequently used quality control rules are 12s/13s/22s.On-site investigation showed that ,take the results of clinical chemistry for example , based on the desirable biological variation and WS/T 403 -2012 , most of the tests can't meet the quality control goalsunder the existing quality controlcondition.Conclusion Clinical laboratories should consider their actual situations , assess their own qualitylevels that they can reach , set reasonable quality standards for themselves , and make appropriateindividualized quality control plan.
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Objective To establish a new traceability pathway of point-of-care testing ( POCT ) of HBA1c by using commutable quality controls, in order to improve the accuracy of POCT HBA1c and the harmonization of testing results with those of central laboratories.Methods The study was about measurement traceability. Human frozen whole blood samples with IFCC assigned values were used to calibrate the G8 HBA1c Variant in June, 2013.According to the CLSI EP9-A2-IR guideline, 50 patient samples and 2-level commercial QC samples were then analyzed by G8 system and DCA Ventage system.The best fitting curves for fresh patient samples and the commercial QC materials were established separately. The patient results tested on the DCA Ventage were modified and verified.Paired t-test and Passing Bablok linear regression were used.Results The linear equation of DCA/G8 before calibration was Y=0.899 5X+0.389 1(R2 =0.991 0).Calibration by fresh patient samples reduced the mean bias of DCA/G8 from -0.40%±0.34%to 0.00%±0.29%.Calibration by QCs reduced the mean bias to 0.15%±0.29%.The linear correlation established by quality controls was stable, which made the bias was lower between DCA and G8 in the consequent six runs.Conclusions The accuracy and the traceability of POC testing could be realized by using commutable QC materials traceable to IFCC assigned values.Through this method, POC testing can become more comparable to the results of clinical laboratory HBA1c instruments.
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Objective To explore the difference of two kinds of proteolytic enzymes (GLU-C and Lys-C trypsin),hemoglobin A1c were measured in mass spectrometry.Methods Based on the IFCC recommended hemoglobin A1c reference measurement method by mass spectrometry,the blood samples were preparied (the number of these blood samples:201201,201202,201203).Hemoglobin in the samples were enzymed respectively by two kinds of proteolytic enzymes (Glu-C and Lys-C),before the mass spectra which be used solid phase extraction method,under the optimal experimental conditions,hemoglobin A1c in the sample were measured by the liquid chromatography tandem mass spectrometry and screened of variant hemoglobin with sequest software.All results by mass spectrometry are required to use the Sequest software to search RAW file in the human IPI Database,retrieve four common hemoglobin variant published results and compare hemoglobin variant sites,using statistical software SPSS13.0 and Excel 2003 on the results in the correlation analysis,compare between groups by the independent sample t test.Results In the detection of hemoglobin A1c,respectively Glu-C and Lys-C blood which the samples were enzymed,results of hemoglobin A1c by Lys-C were (34.70 ± 2.80),(51.76 ± 1.60),(73.39 ± 1.11) mmol/mol,results of hemoglobin A1c by Glu-C were(33.12 ± 1.48),(54.54 ± 2.50),(75.40 ± 3.60) mmol/mol,the difference between groups was not statistically significant,the results of two methods of drawing curve,all R2 ＞ 0.995.Searching the human database with sequest software,four common hemoglobin variant were not be finded.Conclusions In the detection of hemoglobin A1c by the mass spectrometry,the application of the above two kinds of proteolytic enzyme in the blood samples,that can be more consistent results,test results of two methods have a good correlation.
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Glycated hemoglobin is internationally recognized as the gold standard for assessment of long-term glycemic status in diabetic patients,but our determination of glycosylated hemoglobin standardization work is still at primary stage at present.Consistency and accuracy of glycated hemoglobin results are still needed to be solved.