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Table 2 Obstetrics/Operative factors in blood transfused versus non-transfused patients

From: Caesarean delivery-related blood transfusion: correlates in a tertiary hospital in Southwest Nigeria

Variables

Transfused

(N = 188)

Not transfused

(N = 718)

Crude Odds Ratio (cOR)

95% CI

P value

Previous uterine scar

 Yes

42(14.1%)

256(85.9%)

0.52

0.36–0.76

<0.001

 No

146(24.0%)

462(76.0%)

1.00

Reference

Reference

Elective c/s

 Yes

31(9.9%)

281(90.1%)

0.31

0.20–0.46

<0.001

 No

157(26.4%)

437(73.6%)

1.00

Reference

Reference

No. of foetus

 Single

172(21.1%)

643(78.9%)

1.25

0.71–2.21

0.43

 Multiple

16(17.6%)

75(82.4%)

1.00

reference

Reference

Cadre of surgeons

 Registrar

58(13.6%)

368(86.4%)

0.04

0.02–0.09

<0.001

 Senior registrar

100(22.6%)

343(77.4%)

0.07

0.03–0.16

<0.001

 Consultant

30(81.1%)

7(18.9%)

1.00

Reference

Reference

Time of surgery

 Regular hours

87(18.1%)

393(81.9%)

0.07

0.52–0.98

0.04

 Call hours

101(23.7%)

87(18.1%)

1.00

Reference

Reference

Preoperative anaemia

 Yes

161(47.1%)

181(52.9%)

17.69

11.38–27.50

<0.001

 No

27(4.8%)

537(95.2%)

1.00

Reference

Reference

Anaesthesia

 Regional

102(14.0%)

626(86.0%)

0.17

0.12–0.25

<0.001

 General

86(48.3%)

92(51.7%)

1.00

Reference

Reference

Prolonged operation time

 Yes

111(55.5%)

89(44.5%)

10.19

7.07–14.69

<0.001

 No

77(10.9%)

629(89.1%)

1.00

Reference

Reference

Prolonged labour

 Yes

38(46.9%)

43(53.1%)

3.46

2.09–5.75

<0.001

 No

73(20.3%)

286(79.7%)

1.00

Reference

Reference

  1. *significant p = <0.05