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Table 2 Biological and anthropometric 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    
CD4 level
· <200 47 (26.0) 265 (18.3) 0.008 1.8 1.16 – 2.99
· 200 – 350 49 (27.1) 410 (28.4) 0.36 1.3 0.79 – 2.00
· 351–500 40 (22.0) 421 (29.1)   1.0 1.0
· >500 45 (24.9) 349 (24.2) 0.22 1.4 0.83 – 2.18
Viral load
· <1000 79 (43.6) 741 (51.3)   1.0 1.0
· 1000 – 10,000 48 (26.5) 322 (22.2) 0.10 1.4 0.94 – 2.08
· >10,000 54 (29.9) 382 (26.4) 0.16 1.3 0.90 – 1.94
Body Mass Index
· <18.50 12 (6.7) 101 (7.0) 0.94 0.96 0.46 – 1.83
· 18.50 - 24.99 98 (54.1) 791 (54.8)   1.0 1.0
· > = 25 71 (39.2) 553 (38.2) 0.89 1.04 0.74 – 1.45
Opportunistic Infection at delivery
· Present 21 (11.6) 85 (5.9) 0.01 2.1 1.23 – 3.57
· Absent 160 (88.4) 1360 (94.1)   1.0 1.0
Reproductive tract infection at delivery
Present 13 (7.2) 51 (3.5) 0.03 2.1 1.07–4.11
Absent 168 (92.8) 1394 (96.5)   1.0 1.0