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Table 5 Insomnia during the third trimester of pregnancy and delivery outcomes

From: Characteristics of sleep/wake problems and delivery outcomes among pregnant Japanese women without gestational complications

 

ISI < 10

ISI ≥ 10

P valueb

N

51

37a

 

Gestational age months, median (IQR)

40.0 (39.4–40.7)

39.8 (38.9–40.6)

0.61

Duration of birth hours, median (IQR)

6.2 (4.3–9.7)

5.5 (3.5–9.1)

0.93

Type of birth

 Vaginal delivery, n (%)

50 (98.0)

29 (80.6)

0.008

 Cesarean section, n (%)

1 (2.0)

7 (19.5)

 

Labor induction, n (%)

6 (11.8)

5 (13.9)

0.76

Episiotomy, n (%)

0 (0.0)

1 (2.8)

0.41

Perineal laceration, n (%)

39 (76.5)

15 (41.7)

0.002

Volume of blood loss ml, median (IQR)

590 (370–850)

655 (485–1003)

0.25

Use of oxytocic, n (%)

29 (56.9)

24 (66.7)

0.38

Infant’s condition

 Alive, n (%)

51 (100.0)

35 (97.2)

0.41

 Stillbirth, n (%)

0 (0.0)

1 (2.8)

 

Weight of infant g, median (IQR)

3132 (2903–3399)

3235 (2955–3413)

0.59

Height of infant cm, median (IQR)

49.0 (48.0–50.2)

49.0 (48.0–50.0)

0.88

Apgar score

 1 min ≤ 6, n (%)

0 (0.0)

2 (5.7)

0.16

 5 min ≤ 6, n (%)

0 (0.0)

1 (2.9)

0.41

Umbilical cord blood

 pH, median (IQR)

7.33 (7.28–7.37)

7.35 (7.32–7.39)

0.05

  < 7.2, n (%)

3 (5.9)

1 (2.9)

0.64

  ≥ 7.2, n (%)

48 (94.1)

34 (97.1)

 

 PaCO2 mmHg, median (IQR)

34.9 (25.9–41.3)

31.4 (24.3–35.9)

0.17

  < 32 mmHg, n (%)

20 (39.2)

20 (57.1)

0.19

  32–68 mmHg, n (%)

30 (58.8)

15 (42.9)

 

  > 68 mmHg, n (%)

1 (2.0)

0 (0.0)

 
  1. IQR Interquartile range
  2. aUncertain one woman
  3. bBased on Mann-Whitney U test for non-normally distributed data or Fisher’s exact test for categorical data