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Table 2 PMTCT measures in case and control mothers

From: Retrospective analysis of risk factors and gaps in prevention strategies for mother-to-child HIV transmission in Rio de Janeiro, Brazil

 

Controls (n = 290) N (%)

Cases (n = 145) N (%)

OR (95% CI)

p a

Antenatal Care

 Yes

213 (73.5)

60 (41.2)

1

 

 No

32 (11.0)

29 (20.0)

3.10 (1.68–5.70)

< 0.000

 No information

45 (15.5)

68 (38.6)

5.62 (3.11–10.13)

< 0.000

Time of Diagnosis

 Before/during antenatal

192 (66.2)

41 (28.3)

1

 

 During delivery

56 (19.3)

36 (24.8)

3.68 (1.90–7.14)

< 0.000

 After birth

14 (4.8)

36 (24.8)

11.21 (5.27–23.36)

< 0.000

 No information

28 (9.7)

32 (22.1)

6.01 (2.96–12.19)

< 0.000

Gestational Age at First Visit

18.8 (0.9)b

22.3 (2.4)c

1.07 (0.99–1.15)

0.11

Antenatal Location

 Some or all in reference centre

157 (60.9)

14 (12.1)

1

 

 No reference centre

56 (21.7)

46 (39.7)

19.78 (5.65–69.24)

< 0.000

 No information

45 (17.4)

56 (48.3)

37.47 (10.73–130.84)

< 0.000

Antenatal ART

 Yes

169 (58.3)

16 (11.0)

1

 

 No

95 (32.8)

101 (69.7)

19.41 (8.72–43.21)

< 0.000

 No information

26 (9.0)

28 (19.3)

14.91 (5.71–38.93)

< 0.000

Antenatal ART Regimen

 Triple ARV

71 (42.0)

8 (50.0)

1

 

 AZT only

98 (58.0)

8 (50.0)

1.38 (0.43–4.43)

0.54

Intravenous AZT during Delivery

 Yes

190 (65.5)

41 (28.3)

1

 

 No

55 (19.0)

62 (42.8)

4.89 (2.91–8.24)

< 0.000

 No information

45 (15.5)

42 (29.0)

4.31 (2.38–7.80)

< 0.000

Type of Birth

 Caesarean

174(60.0)

59 (40.7)

1

 

 Vaginal

94 (32.4)

57 (39.3)

1.73 (1.11–2.71)

0.02

 No information

22 (7.6)

29 (20.0)

3.74 (1.98–7.09)

< 0.000

ART in Infant

 Yes

250 (86.2)

65 (44.8)

1

 

 No

12 (4.1)

42 (29.0)

12.10 (5.79–25.27)

< 0.000

 No information

28 (9.7)

38 (26.2)

8.60 (4.04–18.26)

< 0.000

Formula Only

 Yes

243 (83.8)

74 (51.0)

1

 

 No

15 (5.2)

31 (21.4)

5.44 (2.84–10.40)

< 0.000

 No information

32 (11.0)

40 (27.6)

4.87 (2.60–9.15)

< 0.000

  1. aConditional logistic regression; bn = 101; cn = 19