Table 3: Relationship of late preterm delivery with delivery modes, first feeding and first meconium passage times, and bilirubin levels.

Late preterm
(n: 120)
Term
(n: 268)

C/S98 (81.7%)186 (69.4%)0.01
Vaginal22 (18.3%)82 (30.6%)

First feeding (hour) 1.00
(1)
0.1–3
1.00
(1.5)
0.1–3
0.05

Breastfeeding47 (39.2%)180 (67.2%)
Mixed feeding72 (60.0%)87 (32.5%)0.00
Formula1 (0.8%)1 (0.4%)

Anesthesia type
 General16 (16.3%)23 (12.4%)
 Epidural9 (9.2%)14 (7.5%)0.28
 Spinal73 (74.5%)149 (80.1%)

First meconium passage (hour) 7.00
(8)
0–28
6.00
(6)
0–36
0.02

Cord bilirubin (mg/dL) 1.60
(0.6)
0.8–4
1.60
(0.6)
0.3–4.5
0.55

Bilirubin, 24 hours (mg/dL)4.05
(2.6)
(1.0–10.2)
4.25
(2.0)
(0.1–10.6)
0.32

Bilirubin, 48 hours (mg/dL)6.90
(3.1)
2.7–14.9
6.50
(2.4)
0.6–13.9
0.07

24 hours bilirubin >6 mg/dL‡*18 (15%)39 (14.6%)0.87

Data presented as median (interquartile range: IQR) (min–max).
Data presented as number (%).
The bilirubin 75th percentile cut off level in Bhutani’s nomogram [9].