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Table 4 The odds ratio of premature labor in pregnant women having nonobstetric surgery as per LHID2000a dataset, 1997–2013, Taiwan

From: Pregnancy outcomes following nonobstetric surgery during gestation: a nationwide population-based case-control study in Taiwan

 

Prematurity

Crude ORb (95% CI)

Adjusted ORc (95% CI)

No = 374

Yes = 66

Aged (Mean ± SD)

29.65 ± 5.61

30.86 ± 4.88

1.48 (0.93–2.35)

1.25 (0.70–2.23)

Trimester

 1st

143 (38.24)

12 (18.18)

1.00

1.00

 2nd

185 (49.47)

40 (60.61)

2.58 (1.30–5.09)

2.04 (0.93–4.50)

 3rd

46 (12.30)

14 (21.21)

3.63 (1.57–8.40)

4.10 (1.62–10.39)

Emergency surgery

 No

285 (76.20)

50 (75.76)

1.00

1.00

 Yes

89 (23.80)

16 (24.24)

1.02 (0.56–1.89)

1.32 (0.65–2.69)

Anesthesia

 GA

159 (42.51)

15 (22.73)

1.00

1.00

 RA

215 (57.49)

51 (77.27)

2.51 (1.36–4.63)

1.78 (0.89–3.57)

Surgical procedure

 Genital organ

196 (52.41)

49 (74.24)

9.00 (1.20–67.27)

5.70 (0.75–43.56)

 GI

97 (25.94)

14 (21.21)

5.20 (0.66–40.95)

4.39 (0.55–34.98)

 Musculoskeletal

36 (9.63)

1 (1.52)

1.00

1.00

 Others

45 (12.03)

2 (3.03)

1.60 (0.14–18.36)

1.23 (0.10–14.58)

  1. aLHID 2000 Longitudinal Health Insurance Database 2000 contains claims data of 1 million beneficiaries who were randomly selected from the system in year 2000
  2. bOR odds ratio
  3. cAdjusted by age, comorbidities, and all obstetric conditions
  4. dPer 10-year increase