Table 3

- Comparisons of the clinical symptoms and laboratory parameters among the trimester groups

	First trimester		Second trimester		Third trimester		P-value
	Mean ± SD	Median–Range	Mean ± SD	Median–Range	Mean ± SD	Median–Range	P-value
Age	32.43 ± 5.74	34–17	31 ± 5.81	30.5–20	29.81 ± 6.66	28–29	0.526*
White blood cells	6.27 ± 1.38	6.3–3.8	7.51 ± 2.58	6.95–7.9	8.96 ± 3.33	7.9–13.1	0.444
Lymphocyte%	25.03 ± 6.19	24.3–16.4	20.69 ± 7.49	19.55–27.2	18.89 ± 6.8	17.8–29.5	0.079*
Neutrophil%	65.5 ± 7.94	66.1–21.4	72.97 ± 8.34	73.75–30.2	75.03 ± 7.71	75–34.2	0.096
Hemoglobin	12.39 ± 1.77	13.3–4.1	11.87 ± 1.26	12.3–5	11.17 ± 1.65	11.2–7.7	0.093
Hematocrit	38.64 ± 4.38	40.6–10.8	36.84 ± 3.36	38.15–12.6	35.49 ± 4.53	35.3–22.2	0.093
Platelet	229.29 ± 40.33	230–118	243.11 ± 93.17	215.5–399	236.98 ± 69.64	238–353	0.476
Glucose	82.5 ± 10.32	79–26	94.06 ± 30.44	87–134	85.13 ± 24.36	77–119	0.288
Creatinine	0.59 ± 0.09	0.6–0.2	0.49 ± 0.07	0.5–0.3	0.53 ± 0.08	0.5–0.3	0.072
Aspartate transaminase	19.71 ± 7.52	20–24	44.29 ± 60.57	20–194	36 ± 53.05	22–356	0.749
Alanine transaminase	19.43 ± 13.94	14–39	38.65 ± 57.27	16–204	27.76 ± 55	15–401	0.535
Lactate dehydrogenase	209.67 ± 51	213–124	222.76 ± 57.67	219–237	266.67 ± 104.59	246–470	0.512
D-dimer	211.2 ± 70.34	197–187^a	288.94 ± 123.2	268.5–404^b	953.9 ± 1202.71	525–6213^c	<0.001
C-reactive protein	18.33 ± 18.9	11–42.5	26.02 ± 33.76	12.9–130	23.98 ± 30.91	11.8–119	0.962
Ferritin	75.5 ± 91.1	24.5–211	105.44 ± 105.55	81–431	66.7 ± 91.94	27.5–452	0.068
Procalcitonin	0.04 ± 0.03	0.02–0.07^a	0.11 ± 0.21	0.04–0.76^a	0.13 ± 0.18	0.07–0.9^b	0.020

*Indicates p-values obtained from analysis of variance, whereas all other p-values were obtained from Kruskal-Wallis test. a,b,c indicate that medians with same indices are the same and the others are statistically different from one another. Bold values denote statistical significance at the p<0.05 level. SD: standard deviation