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A comparative study of new gastric cancer screening scoring system and new ABC method for screening gastric cancer and precancerous lesions / 中华内科杂志
Chinese Journal of Internal Medicine ; (12): 227-232, 2021.
Article in Chinese | WPRIM | ID: wpr-885147
ABSTRACT

Objective:

To compare the value of new gastric cancer screening scoring system and serum pepsinogen (PG) combined with gastrin-17 (G-17) (new ABC method) in screening gastric cancer and precancerous lesions.

Methods:

A total of 576 patients were enrolled after the examination of endoscopy at Endoscopy Center,Department of Gastroenterology,from December 2017 to December 2019. There were 275 males and 301 females with an age of 40-72 (52±10) years. According to the new ABC method and the new gastric cancer screening scoring system, the population was divided into three groups according to age,gender,serum helicobacter pylori antibody test, PG Ⅰ/PG Ⅱ(PGR) and G-17 before endoscopy. The detection rates of gastric cancer and atrophic gastritis by two different methods were analyzed and the value in screening gastric cancer and precancerous lesions were evaluated. Statistical analysis was accomplished by Chi-square test and Gamma coefficient analysis.

Results:

A total of 576 patients were enrolled. According to the new ABC method, 382 patients were classified into low-risk group, 170 patients into middle-risk group and 24 patients into high-risk group, respectively. In the new ABC method, 1 case of gastric cancer (0.3%) was detected in low-risk group, 8 cases (4.7%) in middle-risk group and 3 cases (12.5%) in high-risk group. As for atrophic gastritis, 89 cases (23.3%) was detected in low-risk group, 94 cases (55.3%) in middle-risk group and 18 cases (75.0%) in high-risk group. According to the new gastric cancer screening scoring system, 336 patients were classified into low-risk group, 205 patients into middle-risk group and 35 patients into high-risk group, respectively. One case of gastric cancer (0.3%) was detected in low-risk group, 6 cases (2.9%) in middle-risk group and 5 cases (14.3%) in high-risk group. As for atrophic gastritis, 41 cases (12.2%) were detected in low-risk group, 134 cases (65.4%) in middle-risk group and 26 cases (74.3%) in high-risk group. In this two methods, the prevalence of gastric cancer increased according to the disease stage ( χ2 =22.509, P<0.01; χ2=24.156, P<0.01); in terms of atrophic gastritis, the detection rate of the new screening scoring system in the low-risk group was significantly lower than that in the new ABC method ( χ2=14.844, P<0.01), but higher in the middle-risk group ( χ2=3.955, P=0.047). Gamma coefficient test showed that there were strong correlations between gastroscopy pathology and classification grade of both methods ( P<0.01).

Conclusions:

Both methods are suitable for screening gastric cancer and precancerous lesions, and the new scoring system may be more valuable in screening gastric cancer and precancerous lesions.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study / Screening study Language: Chinese Journal: Chinese Journal of Internal Medicine Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study / Screening study Language: Chinese Journal: Chinese Journal of Internal Medicine Year: 2021 Type: Article