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Table 4 Current Obstetric and HIV treatment characteristics of the HIV positive pregnant women (n = 1626)

From: Incidence of and socio-biologic risk factors for spontaneous preterm birth in HIV positive Nigerian women

Factors Preterm Cases (%) No Preterm (%) P value OR 95% CI
  N=181 N=1445    
Bleeding in pregnancy      
· Yes 17 (9.4) 137 (2.6) 0.92 1.1 0.60 – 1.85
· No 164 (90.6) 1408 (97.4)   1.0 1.0
Sex of baby      
· Male 81 (44.8) 752 (51.7) 0.06 0.7 0.53 – 1.01
· Female 103 (55.2) 703 (48.3)   1.0 1.0
Multiple pregnancy      
· Yes 13 (7.1) 10 (0.7) 0.00 10.4 4.24 – 26.17
· No 178 (92.9) 1435 (99.3)   1.0 1.0
ARV Regimen used for PMTCT      
· Non PI based HAART Regimen 80 (44.2) 710 (49.1) 0.61 1.11 0.78–1.57
· PI Based HAART Regimen 29 (16.0) 28 (1.9) 0.000 10.2 5.52–18.8
· Non HAART Regimen 72 (39.8) 707 (48.9)   1.0 1.0
Duration of ARV drugs      
· <8weeks 47 (32.4) 307 (27.1) 0.42 1.2 0.79 – 1.82
· 8-13 weeks 67 (46.2) 525 (46.4) 0.42 0.8 0.51 – 1.30
· >13 weeks 31 (21.4) 299 (26.5)   1.0 1.0
Period HAART commenced      
· 1st trimester 96 (53.2) 230 (31.2) 0.00 2.5 1.77 – 3.52
· After 1st trimester 85 (46.8) 508 (68.8)   1.0 1.0
Medical disorders      
· Present 9 (5.0) 74 (5.1) 0.92 0.97 0.44 – 2.04
· Absent 172 (95.0) 1371 (94.9)   1.0 1.0