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. 2020 Mar 20;20:179. doi: 10.1186/s12884-020-02868-1

Table 5.

Insomnia during the third trimester of pregnancy and delivery outcomes

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)

IQR Interquartile range

aUncertain one woman

bBased on Mann-Whitney U test for non-normally distributed data or Fisher’s exact test for categorical data