Laboratory markers to identify acute histological chorioamnionitis in febrile parturients undergoing epidural analgesia: a retrospective study

Table 1 Laboratory indicators according to the progression of acute HCA

Laboratory indicators	Control group (n = 187)	Stage 1 (n = 231)	Stage 2 (n = 175)	Stage 3 (n = 1182)	P
CRP (mg/L)	8.49 ± 6.32	13.51 ± 11.35	14.21 ± 12.90	14.81 ± 13.91	< 0.0001
WBC (10⁹/L)	14.18 ± 3.12	14.56 ± 2.94	14.80 ± 3.31	14.97 ± 3.06	0.015
N (10⁹/L)	12.30 ± 3.02	12.70 ± 2.79	12.98 ± 3.12	13.09 ± 2.89	0.005
N%	86.29 ± 4.09	86.89 ± 3.90	87.46 ± 3.11	87.20 ± 3.43	0.025
M (10⁹/L)	0.64 ± 0.23	0.73 ± 0.26	0.70 ± 0.24	0.75 ± 0.26	< 0.0001
M%	4.60 ± 1.43	5.00 ± 1.45	4.80 ± 1.31	5.04 ± 1.44	< 0.0001
L (10⁹/L)	1.23 ± 0.40	1.12 ± 0.36	1.10 ± 0.37	1.11 ± 0.36	0.002
L%	8.98 ± 3.34	8.00 ± 3.06	7.59 ± 2.47	7.62 ± 2.77	< 0.0001
NLR	11.21 ± 5.08	12.61 ± 5.42	13.08 ± 5.40	13.31 ± 6.47	< 0.0001
MLR	0.56 ± 0.21	0.69 ± 0.27	0.69 ± 0.30	0.74 ± 0.35	< 0.0001
RBC (10¹²/L)	4.04 ± 0.37	4.09 ± 0.41	4.1 ± 0.40	4.07 ± 0.40	0.345
PLT (10⁹/L)	178.29 ± 49.41	185.43 ± 53.91	187.09 ± 51.07	185.61 ± 53.05	0.252
Hb (g/L)	119.99 ± 14.53	122.61 ± 12.10	122.52 ± 11.92	121.01 ± 12.16	0.106

HCA, histological chorioamnionitis; CRP, C-reactive protein; WBC, white blood cell; N, neutrophil; N%, neutrophil-white blood cell ratio; M, monocyte; M%, monocyte-white blood cell ratio; L, lymphocyte; L%, lymphocyte-white blood cell ratio; NLR, neutrophil-lymphocyte ratio; MLR, monocyte-lymphocyte ratio; RBC, red blood cell; PLT, platelet; Hb, hemoglobin

ISSN: 1471-2393