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Table 3 Delivery and postpartum complications according to maternal BMI

From: Relationship between maternal body mass index with the onset of breastfeeding and its associated problems: an online survey

Variable

BMI

  
 

Normoweight

N (%)

Overweight

n (%)

Obesity type I

n (%)

Obesity type II

n (%)

Obesity type III

n (%)

Total values

n (%)

P - value*

Uterine rupture

      

0.54

 No

1595 (99.3)

2708 (99.5)

1148 (99.6)

288 (98.3)

95 (99.0)

5834 (99.3)

χ2 = 0.8

 Yes

12 (0.7)

14 (0.5)

5 (0.4)

5 (1.7)

1 (1.0)

37 (0.7)

df = 1

Fever

      

<  0.001

 No

1540 (95.8)

2574 (94.6)

1081 (93.8)

275 (93.9)

84 (87.5)

5554 (94.6)

χ2 = 12.1

 Yes

67 (4.2)

148 (5.4)

72 (6.2)

18 (6.1)

12 (12.5)

317 (5.4)

df = 1

Preeclampsia

      

<  0.001

 No

1577 (98.1)

2654 (97.5)

1103 (95.7)

266 (90.8)

85 (88.5)

5685 (96.8)

χ2 = 60.0

 Yes

30 (1.9)

68 (2.5)

50 (4.3)

27 (9.2)

11 (11.5)

186 (3.2)

df = 1

Epidural analgesia

      

<  0.001

 No

524 (32.6)

802 (29.5)

314 (27.2)

66 (22.5)

21 (21.9)

1727 (29.4)

χ2 = 19.4

 Yes

1083 (67.4)

1920 (70.5)

839 (72.8)

227 (77.5)

75 (78.1)

4144 (70.6)

df = 1

General anaesthesia

      

0.09

 No

1590 (98.9)

2692 (98.9)

1137 (98.6)

285 (97.3)

95 (97.3)

5799 (98.8)

χ2 = 2.86

 Yes

17 (1.1)

30 (1.1)

16 (1.4)

8 (2.7)

1 (1.0)

72 (1.2)

df = 1

Induced delivery

      

<  0.001

 No

1121 (69.8)

1708 (62.7)

688 (59.7)

151 (51.5)

52 (54.2)

3720 (63.3)

χ2 = 52.5

 Yes

486 (30.2)

1014 (37.3)

465 (40.3)

142 (48.5)

44 (45.8)

2151 (36.7)

df = 1

Mode of delivery

      

<  0.001

 Vaginal

1075 (66.9)

1629 (59.8)

639 (55.4)

136 (46.4)

47 (49.0)

3526 (60.0)

χ2 = 101.2

 Instrumental

264 (16.4)

449 (16.5)

176 (15.3)

46 (15.7)

14 (14.6)

949 (16.1)

df = 1

 Planned caesarean

89 (5.5)

220 (8.1)

108 (9.4)

41 (14.0)

6 (6.3)

464 (7.9)

 

 Emergency caesarean

179 (11.1)

424 (15.6)

230 (19.9)

70 (23.9)

29 (30.2)

935 (15.9)

 

Episiotomy

      

<  0.001

 No

1030 (64.1)

1812 (66.6)

822 (71.3)

218 (74.4)

74 (77.1)

3956 (67.4)

χ2 = 26.6

 Yes

577 (35.9)

910 (33.4)

331 (28.7)

75 (25.6)

22 (22.9)

1915 (32.6)

df = 1

III-IV tearing

      

0.07

 No

1589 (98.9)

2689 (98.8)

1136 (98.5)

284 (96.9)

95 (99.0)

5793 (98.7)

χ2 = 3.3

 Yes

18 1.1

33 (1.2)

17 (1.5)

9 (3.1)

1 (1.0)

78 (1.3)

df = 1

Composite morbidity delivery

      

<  0.001

 No

728 (45.3)

995 (36.6)

336 (29.1)

57 (19.5)

18 (18.8)

21.34 (36.7)

χ2 = 128.6

 Yes

879 (54.7)

1727 (63.4)

817 (70.9)

236 (80.5)

78 (81.3)

3737 (63.3)

df = 1

Postpartum surgery related to delivery

      

0.10

 No

1551 (96.5)

2634 (96.8)

1105 (95.8)

280 (95.6)

90 (93.8)

5660 (96.4)

χ2 = 2.6

 Yes

56 (3.5)

88 (3.2)

48 (4.2)

13 (4.4)

6 (6.3)

211 (3.6)

df = 1

Postpartum maternal ICU admission

      

0.43

 No

1575 (98.0)

2681 (98.5)

1128 (97.8)

285 (97.3)

94 (97.9)

5763 (98.2)

χ2 = 0.6

 Yes

32 (2.0)

41 (1.5)

25 (2.2)

8 (2.7)

2 (2.1)

108 (1.83)

df = 1

Readmission after discharge

      

0.11

 No

1580 (98.3)

2666 (97.9)

1132 (98.2)

281 (95.9)

94 (97.9)

5753 (98.0)

χ2 = 2.6

 Yes

27 (1.7)

56 (2.1)

21 (1.8)

12 (4.1)

2 (2.1)

118 (2.0)

df = 1

Composite postpartum morbidity

      

0.08

 No

1507 (93.8)

2558 (94.0)

1071 (92.9)

265 (90.4)

86 (89.6)

5487 (93.5)

χ2 = 5.6

 Yes

100 (6.2)

164 (6.0)

82 (7.1)

28 (9.6)

10 (10.4)

384 (6.5)

df = 1

Low birthweight

      

0.13

 No

1488 (92.7)

2560 (94.3)

1076 (93.4)

271 (93.1)

95 (99.0)

5490 (93.5)

χ2 = 2.3

 Yes

118 (7.3)

155 (5.7)

76 (6.6)

20 (6.9)

1 (1.0)

370 (6.5)

df = 1

Macrosomia

      

<  0.001

 No

1561 (97.2)

2608 (96.1)

1072 (93.1)

267 (91.8)

81 (84.4)

5589 (95.2)

χ2 = 56.4

 Yes

45 (2.8)

107 (3.9)

80 (6.9)

24 (8.2)

15 (15.6)

271 (4.8)

df = 1

Newborn admission

      

<  0.001

 No

1422 (88.5)

2399 (88.1)

991 (85.9)

231 (78.8)

82 (85.4)

5125 (87.3)

χ2 = 15.2

 Yes

185 (11.5)

323 (11.9)

162 (14.1)

62 (21.2)

14 (14.6)

746 (12.7)

df = 1

  1. *Pearson’s χ2 test. df: degrees of freedom. Statistical significance at p ≤ 0.05