Índice neutrófilo-linfocito, relación plaquetas-linfocito y distribución de la anchura del eritrocito en pacientes con preeclampsia / Neutrophil-to-lymphocyte ratio, plateletto- lymphocyte ratio, and erythrocyte width distribution. and erythrocyte width distribution in patients with preeclampsia

RESUMEN

Resumen OBJETIVO: Comparar el índice neutrófilo-linfocito, la relación plaquetas-linfocito y la distribución de la anchura del eritrocito de mujeres con preeclampsia con o sin criterios de severidad y los de mujeres sin ésta. MATERIALES Y MÉTODOS: Estudio retrospectivo, de casos y controles, efectuado en mujeres con y sin preeclampsia atendidas entre enero y diciembre de 2019. RESULTADOS: Se estudiaron 70 mujeres con preeclampsia y 70 con embarazo sin esta complicación. El índice neutrófilo-linfocito fue significativamente mayor en las mujeres con preeclampsia (4.11 ± 2.76; IC95% 3.47-4.75) que en las mujeres sin esta complicación (2.99 ± 1.6; IC95% 2.62-3.36; p = 0.004), similar a la relación plaquetas-linfocitos (117.61 ± 47.53; IC95%106.48-128.24 vs 97.64 ± 43.67; IC95% 87.41-107.87; p = 0.006) y para la distribución de la anchura del eritrocito (14.46 ± 1.9; IC95% 14.02-14.9 vs 13.56 ± 1.38; IC95% 13-13.72; p = 0.0002). Ninguno de estos parámetros logró discriminar entre las pacientes con preeclampsia con o sin criterios de severidad. CONCLUSIÓN: Un índice neutrófilo-linfocito ≥ 5.1 y una relación plaquetas-linfocito ≥ 113.1 son capaces de discriminar de manera adecuada entre preeclampsia con o sin criterios de severidad.

ABSTRACT

Abstract OBJECTIVE: To compare the neutrophil-lymphocyte ratio, platelet-lymphocyte ratio and erythrocyte width distribution, of women with preeclampsia with or without severity criteria and those of women without. MATERIALS AND METHODS: Retrospective case-control study in 70 women with preeclampsia and 70 with normal pregnancy between January and December 2019. RESULTS: Seventy women with preeclampsia and 70 with pregnancy without this complication were studied. The neutrophil-lymphocyte ratio was significantly higher in women with preeclampsia (4.11 ± 2.76; 95%CI 3.47-4.75), than in women with normal pregnancies (2.99 ± 1.6; 95%CI 2.62-3.36; p = 0.004); which is similar for the platelet-lymphocyte ratio (117.61 ± 47.53, 95%CI 106.48-128.24 vs 97.64 ± 43.67; 95%CI 87.41-107.87; p = 0.006) and for the distribution of the width of the erythrocyte; (14.46 ± 1.9, CI95% 14.02-14.9 vs 13.56 ± 1.38; CI95% 13-13.72; p = 0.0002). None of these parameters was able to discriminate between patients with preeclampsia with or without severity criteria. A neutrophil-lymphocyte ratio ≥ 5.1 discriminates between women with a normal pregnancy and those with preeclampsia with or without severity criteria [area under the curve of 0.746, (95%CI 0.664-0.827)], sensitivity 42%, specificity 91%, positive predictive value 82%, negative predictive value 60% and Odds Ratio 7.1 (95%CI 2.7-18.6, p = 0.001). The platelet-lymphocyte ratio ≥ 113.4 can discriminate between women with a normal pregnancy and preeclampsia with or without severity criteria, with an area under the curve of 0.617 (95% CI 0.525-0.709). CONCLUSION: A neutrophil-lymphocyte ratio ≥ 5.1, and a platelet-lymphocyte ratio ≥ 113.1 are able to adequately discriminate between patients with normal pregnancy and those with preeclampsia with or without severity criteria.