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Table 3 Adverse pregnancy outcomes among treated women: comparison between syphilis discordant and concordant couples (n, %)

From: Differences in maternal characteristics and pregnancy outcomes between syphilitic women with and without partner coinfection

VariableSyphilis discordantSyphilis concordantχ2OR (95% CI)ORadj(95% CI)
Overalln1 = 2419n2 = 657   
Stillbirth16 (0.66)13 (1.98)9.613.03 (1.45–6.34)2.86 (1.36–6.00)
Missing21   
PTB169 (6.99)64 (9.74)5.531.43 (1.06–1.94)1.38 (1.02–1.87)
Missing41   
LBW101 (4.18)38 (5.78)3.411.43 (0.98–2.10)1.55 (1.13–2.11)
Missing1615   
Treatedn1 = 2237n2 = 589   
Stillbirth13 (0.58)11 (1.87)8.833.25 (1.45–7.30)3.26 (1.45–7.31)
Missing20   
PTB154 (6.89)50 (8.49)1.771.25 (0.90–1.75)1.28 (0.92–3.08)
Missing71   
LBW90 (4.02)30 (5.09)1.521.31 (0.85–1.99)1.52 (1.08–2.14)
Missing1013   
One course treatedn1 = 438n2 = 117   
Stillbirth7 (1.59)6 (5.13)5.013.32 (1.09–10.08)2.61 (0.98–6.92)
Missing10   
PTB47 (10.73)19 (16.24)2.731.62 (0.91–2.89)1.81 (1.14–2.88)
Missing21   
LBW26 (5.94)10 (8.55)1.441.59 (0.74–3.40)2.08 (1.28–3.38)
Missing38   
Two course treatedn1 = 1799n2 = 472   
Stillbirth6 (0.33)5 (1.06)2.723.20 (0.97–10.52)2.64 (0.98–7.05)
Missing10   
PTB107 (5.95)31 (6.57)0.241.11 (0.73–1.68)1.15 (0.76–1.74)
Missing50   
LBW64 (3.56)20 (4.24)0.521.21 (0.72–2.02)1.21 (0.78–1.86)
Missing75   
  1. Note: LBW low birth weight. PTB preterm birth. The odds ratios were adjusted by first ANC gestational weeks, syphilis stage, and serum titers. Unknown data excluded
  2. Bold entries have significant values