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Table 2 Maternal Outcomes

From: Optimal delivery time for patients with diet-controlled gestational diabetes mellitus: a single-center real-world study

Gestational Week

39–39+6 W

 < 37 W

37–37+6 W

38–38+6 W

40–40+6 W

 ≥ 41 W

PROM (N)

372

40

74

220

294

50

Yes(n, %)

90 (24.2%)

23 (57.5%)

28 (37.8%)

67 (30.5%)

51 (17.3%)

7 (14.0%)

No(n, %)

282 (75.8%)

17 (42.5%)

46 (62.2%)

153 (69.5%)

243 (82.7%)

43 (86.0%)

Risk Diff (95% CI)

 

33.31% (17.38%,49.2%)

13.64% (1.77%,25.52%)

6.26% (-1.22%,13.74%)

-6.85%(-12.98%,-0.71%)

-10.19% (-20.75%,0.36%)

P-value

 

0.000

0.020

0.102

0.036

0.151

Delivery Method (N)

372

40

74

220

294

50

C-section(n, %)

145 (39.0%)

16 (40.0%)

33 (44.6%)

104 (47.3%)

127 (43.2%)

28 (56.0%)

Natural Delivery(n, %)

227 (61.0%)

24 (60.0%)

41 (55.4%)

116 (52.7%)

167 (56.8%)

22 (44.0%)

Risk Diff (95% CI)

 

1.02% (-14.95%,16.9%)

5.62% (-6.75%,17.98%)

8.29% (0.04%, 16.55%)

4.22% (-3.31%,11.74%)

17.02% (2.40%,31.65)

P-value

 

1.000

0.367

0.058

0.302

0.031

GDM-related Complications (N)

372

40

74

220

294

50

Yes(n, %)

70 (18.8%)

9 (22.5%)

10 (13.5%)

37 (16.8%)

56 (19.0%)

13 (26.0%)

No(n, %)

302 (81.2%)

31 (77.5%)

64 (86.5%)

183 (83.2%)

238 (81.0%)

37 (74.0%)

Risk Diff (95% CI)

 

3.68% (-9.85%,17.22%)

-5.30% (-14.05%,3.44%)

-2.00% (-8.34%, 4.34%)

0.23% (-5.76%, 6.22%)

7.18% (-5.61%,19.97%)

P-value

 

0.532

0.322

0.582

1.000

0.255

Perineal laceration (N)

227

24

41

116

167

22

Yes(n, %)

147 (64.8%)

18 (75.0%)

29 (70.7%)

79 (68.1%)

94 (56.3%)

7 (31.8%)

No(n, %)

80 (35.2%)

6 (25.0%)

12 (29.3%)

37 (31.9%)

73 (43.7%)

15 (68.2%)

Risk Diff (95% CI)

 

10.24% (-8.16%,28.65%)

5.97% (-9.28%,21.22%)

3.35% (-7.17%,13.86%)

-8.47% (-18.23%,1.29%)

-32.94%(-53.37%,12.5%)

P-value

 

0.372

0.592

0.550

0.095

0.005

Poor healing of perineal (N)

227

24

41

116

167

22

Yes(n, %)

1 (0.4%)

0

1 (2.4%)

1 (0.9%)

2 (1.2%)

1 (4.5%)

No(n, %)

226 (99.6%)

24 (100.0%)

40 (97.6%)

115 (99.1%)

165 (98.8%)

21 (95.5%)

Risk Diff (95% CI)

 

0.44% (-0.42%, 1.30%)

2.00% (-2.80%, 6.80%)

0.42% (-1.47%, 2.31%)

0.76% (-1.10%, 2.62%)

4.10% (-4.64%,12.85%)

P-value

 

1.000

0.283

1.000

0.577

0.169

Shoulder dystocia (N)

227

24

41

116

167

22

Yes(n, %)

7 (3.1%)

0

0

3 (2.6%)

2 (1.2%)

0

No(n, %)

220 (96.9%)

24 (100.0%)

41 (100.0%)

113 (97.4%)

165 (98.8%)

22 (100.0%)

Risk Diff (95% CI)

 

3.08% (0.83%, 5.33%)

3.08% (0.83%, 5.33%)

-0.50% (-4.16%, 3.16%)

-1.89% (-4.68%, 0.90%)

3.08% (0.83%, 5.33%)

P-value

 

1.000

0.600

1.000

0.312

1.000

Postoperative pyrexia (N)

145

16

33

104

127

28

Yes(n, %)

3 (2.1%)

1 (6.3%)

1 (3.0%)

1 (1.0%)

3 (2.4%)

1 (3.6%)

No(n, %)

142 (97.9%)

15 (93.8%)

32 (97.0%)

103 (99.0%)

124 (97.6%)

27 (96.4%)

Risk Diff (95% CI)

 

4.20% (-7.89%, 16.28%)

0.98% (-5.31%, 7.26%)

-1.09% (-4.06%, 1.88%)

0.31% (-3.20%, 3.81%)

1.52% (-5.73%, 8.77%)

P-value

 

0.343

0.561

0.643

1.000

0.508

Postpartum Hemorrhage (N)

372

40

74

219

294

50

Yes(n, %)

21 (5.6%)

0

5 (6.8%)

15 (6.8%)

21 (7.1%)

3 (6.0%)

No(n, %)

351 (94.4%)

40 (100.0%)

69 (93.2%)

204 (93.2%)

273 (92.9%)

47 (94.0%)

Risk Diff (95% CI)

 

5.65% (3.30%, 7.99%)

1.11% (-5.07%, 7.29%)

1.20% (-2.88%, 5.29%)

1.50% (-2.27%, 5.26%)

0.35% (-6.63%, 7.34%)

P-value

 

0.246

0.785

0.595

0.428

1.000

  1. PROM: Premature rupture of membrane; GDM: Gestational diabetes mellitus; CI: Confidence interval