Table 1 Maternal demographic data

 Housewife

479 (26.6%)

174 (24.4%)

264 (28.9%)

41 (24.4%)

 Labourer

900 (50.0%)

393 (54.9%)

427 (46.6%)

80 (47.6%)

 Merchant

112 (6.2%)

46 (6.5%)

61 (6.6%)

5 (3.0%)

 Government officer

138 (7.7%)

51 (7.1%)

69 (7.6%)

18 (10.7%)

 Self-employed

77 (4.3%)

22 (3.0%

41 (4.5%)

14 (8.3%)

 Student

28 (1.6%)

14 (1.9%)

11 (1.2%)

3 (1.8%)

 Other

58 (3.2%)

11 (1.5%)

41 (4.4%)

6 (3.6%)

 Unknown

8 (0.4%)

5 (0.7%)

2 (0.2%)

1 (0.6%)

  < 5000

31 (1.7%)

17 (2.3%)

12 (1.3%)

2 (1.2%)

 5000–9999

232 (12.9%)

108 (15.1%)

113 (12.3%)

11 (6.5%)

 10,000–19,999

497 (27.6%)

226 (31.6%)

227 (24.8%)

44 (26.2%)

 20,000–49,999

440 (24.4%)

157 (21.9%)

235 (25.6%)

48 (28.6%)

≥ 50,000

127 (7.1%)

35 (4.9%)

69 (7.6%)

23 (13.7%)

 Unknown

473 (26.3%)

173 (24.2%)

260 (28.4%)

40 (23.8%)

 Singleton

1584 (88.0%)

673 (94.0%)

783 (85.5%)

128 (76.2%)

 Twins

216 (12.0%)

43 (6.0%)

133 (14.5%)

40 (23.8%)

Age (years)

30.3 ± 6.7

30.0 + 6.6

30.5 + 6.6

30.9 + 6.6

Body mass index (kg/m²)

27.1 ± 5.0

27.3 + 4.8

27.1 + 4.9

26.4 + 5.4

 1

773 (42.9%)

286 (39.9%)

407 (44.4%)

80 (47.6%)

  ≥ 2

1027 (57.1%)

430 (60.1%)

509 (55.6%)

88 (52.4%)

 0

971 (53.9%)

352 (49.2%)

520 (56.8%)

99 (58.9%)

  ≥ 1

829 (46.1%)

364 (50.8%)

396 (43.2%)

69 (41.1%)

 0

1409 (78.3%)

565 (78.9%)

712 (77.7%)

132 (78.6%)

  ≥ 1

391 (21.7%)

151 (21.1%)

204 (22.3%)

36 (21.4%)

Gestational age at delivery (weeks of gestation)

34.4 ± 2.1

34.1 + 1.5

34.9 + 1.4

33.6 + 1.5

Number of pregnant women with re-admission

475 (26.4%)

31 (4.3%)

354 (42.0%)

90 (53.6%)

Gestational age at readmission (weeks of gestation)

31.5 ± 3.9

32.2 + 2.6

32.5 + 2.0

30.2 + 1.9

 Diabetes mellitus (DM)

29 (1.6%)

11 (1.5%)

15 (1.6%)

3 (1.8%)

 Hypertension

107 (5.9%)

37 (5.2%)

50 (5.5%)

20 (11.9%)

 Others

173 (9.6%)

64 (8.9%)

90 (9.8%)

19 (11.3%)

 0

61 (3.4%)

42 (5.8%)

16 (1.7%)

3 (1.8%)

  < 5

250 (13.9%)

108 (15.1%)

114 (12.5%)

28 (16.7%)

 5–10

1368 (76.0%)

513 (71.5%)

723 (78.9%)

132 (78.6%)

  >  10

121 (6.7%)

53 (7.4%)

63 (6.9%)

5 (2.9%)

  ≤ 48 hours

854 (47.4%)

698 (97.5%)

151 (16.5%)

5 (3.0%)

  > 48 hours–7 days

385 (21.4%)

9 (1.3%)

369 (40.3%)

7 (4.2%)

  > 7 days–14 days

178 (9.9%)

5 (0.7%)

142 (15.5%)

31 ((18.5%)

  >  14 days–21 days

122 (6.8%)

1 (0.1%)

88 (9.6%)

33 (19.5%)

  > 21 days

261 (14.5%)

3 (0.4%)

166 (18.1%)

92 (54.8%)

 Spontaneous vaginal delivery

725 (40.3%)

322 (45.0%)

360 (39.3%)

43 (25.6%)

 Caesarean section

1063 (59.1%)

390 (54.5%)

549 (59.9%)

124 (73.8%)

 Vacuum extraction

10 (0.6%)

3 (0.4%)

7 (0.8%)

0 (0)

 Forceps extraction

2 (0.1%)

1 (0.1%)

0 (0)

1 (0.6%)

Puerperal infection

13 (0.7%)

5 (0.7%)

6 (0.7%)

2 (1.2%)

Length of hospital stay (days)

6 (2–143)

5 (2–31)

9 (2–57)

20 (2–143)

Newborn

All

(N = 2015)

<  1 course

N = 759

1 course

N = 1049

>  1 course

N = 207

Mean neonatal weight (grams)

2178.6 ± 557.4

2283.3 + 570.1

2153.6 + 543.0

1921.6 + 481.2

Apgar at 1 min < 7

341 (16.9%)

114 (15%)

177 (16.9%)

50 (24.2%)

Apgar at 5 min < 7

94 (4.7%)

39 (5.1%)

42 (4%)

13 (6.3%)

Haemoglobin (Hb) (g/dL)

16.9 ± 3.2

16.9 + 3.3

16.8 + 3.1

16.8 + 3.7

Haematocrit (Hct) %

48.3 ± 8.0

48.6 + 8.0

48.3 + 7.9

47.3 + 7.7

Microbilirubin (MB) (mg/dL)

8.5 ± 3.4

8.9 + 3.6

8.4 + 3.3

7.4 + 2.5

 Male

1037 (51.5%)

401 (52.8%)

540 (51.5%)

96 (46.4%)

 Female

978 (48.5%)

358 (47.2%)

509 (48.5%)

111 (53.6%)