Modalities

Twin deliveries N = 55 (n, %)

Singleton deliveries N = 55 (n, %)

OR, 95% CI

p

Hb before

delivery (g/dl)

<11

6 (11.5)

13 (23.6)

0.4 (0.1 - 1.3)

0.120

11 - 13

34 (61.5)

29 (52.7)

1.4 (0.6 - 2.9)

0.427

>14

15 (27)

13 (23.6)

1.2 (0.5 - 2.9)

0.651

Hb after delivery

(g/dl)

<11

21 (38.2)

26 (47.3)

0.7 (0.3 - 1.6)

0.427

11 - 13

31 (56.4)

24 (43.6)

1.6 (0.7 - 3.4)

0.239

>14

3 (5.4)

5 (9.1)

0.6 (0.1 - 2.5)

0.715

Estimated blood

loss (ml)

<500

37 (67.4)

41 (74.5)

0.7 (0.3 - 1.6)

0.387

500 - 1000

10 (18.1)

10 (18.2)

1 (0.4 - 2.8)

1.000

>1000

8 (14.5)

4 (7.3)

2.2 (0.6 - 7.7)

0.220

Median (IQR)

350 (150 - 750)

250 (150 - 475)

0.304