Table 1.

Women with and without placental abruption: comparison of basic patient characteristics and laboratory parameters within 48 h before delivery between all cases and all controls.

		Placental Abruption (n = 118)	No Placental Abruption (n = 253)	OR (95% CI)	p-Value
Age (years) *		31.9 (26.3; 36.4)	33.65 (28.9; 36.8)	0.952 (0.917; 0.989)	0.011
Body mass index (kg/m2) *		23.4 (21.2; 26.2)	22.7 (20.2; 25.7)	1.046 (0.987; 1.110)	0.130
Pregnancy after IVF treatment #		9 (7.6)	13 (5.1)	1.545 (0.633-3.673)	0.345
Parity #	0	58 (48.7)	121 (48.0)	Reference	-
	1	28 (23.5)	75 (29.8)	0.779 (0.456–1.330)	0.360
	≥2	33 (27.7)	56 (22.2)	1.171 (0.686–1.998)	0.562
Pregnancy-induced/preexisting hyper-tension #		21 (17.8)	8 (3.2)	6.630 (2.841–15.475)	<0.001
Smoking #		25 (21.4)	39 (15.4)	1.491 (0.853–2.606)	0.159
Gestational diabetes mellitus #		9 (7.6)	30 (11.9)	0.614 (0.282–1.338)	0.216
Placenta previa #		14 (11.9)	53 (20.9)	0.508 (0.269; 0.958)	0.034
Neonatal weight (g) *		1839 (1076; 2500)	3044 (2400; 3430)	0.999 (0.999; 0.999)	<0.001
Gestational age at delivery (completed weeks) *		33.43 (28.86; 36.00)	38.14 (35.29; 38.86)	0.974 (0.966; 0.981)	<0.001
Leukocytes (g/L) *+		11.99 (9.82; 14.10)	10.07 (8.36; 12.05)	1.172 (1.091; 1.258)	<0.001
Thrombocytes (g/L) *+		218.5 (172; 267)	226 (184.5; 264.5)	0.998 (0.995; 1.001)	0.195
C-reactive protein (mg/dL) *+		0.58 (0.37; 1.14)	0.46 (0.24; 0.79)	1.093 (0.936; 1.276)	0.260
Fibrinogen (mg/dL) *+		437 (337; 519)	488 (431; 554)	0.994 (0.936; 1.276)	<0.001
Hemoglobin (g/dL) *+		11.20 (10.1–12.1)	11.70 (10.80–12.60)	1.009 (0.987–1.032)	0.423

Data are provided as * median and interquartile ranges or ^# numbers and frequencies; italic letters indicate statistical significance. ⁺ Laboratory parameters within 0–48 h before delivery. OR: Odds Ratio, IVF: in vitro fertilization.