Table 1 Risk factors for invasive Group B Streptococcal (GBS) disease in EOD and LOD cases and matched controls
Cases | Controls | Univariable-OR(95%CI) | P-value | Multivariable-OR(95%CI) | P-value | |
|---|---|---|---|---|---|---|
EOD | (n = 65) | (n = 130) | ||||
Non-resident mother | 28 | 20 | 4.16 (2.10–8.25) | < 0.001 | 5.88(2.36–14.61) | < 0.001 |
GBS screened positive | 17 | 5 | 8.85 (3.10–25.33) | < 0.001 | 10.97(3.02–39.88) | < 0.001 |
Intrapartum temperature > =38.0 °C | 22 | 2 | 32.74(7.39–145.03) | < 0.001 | 30.78(5.37–176.53) | < 0.001 |
Membrane stripping | 28 | 30 | 2.52 (1.33–4.78) | 0.004 | 3.68(1.48–9.13) | 0.005 |
Rupture of membranes for > = 18 h | 22 | 14 | 4.24(1.99–9.03) | < 0.001 | 4.16(1.35–12.80) | 0.013 |
No IAP | 29 | 106 | 0.18 (0.09–0.35) | < 0.001 | 2.14(0.82–5.59) | 0.122 |
Gestational Age < 37 weeks | 17 | 13 | 3.19(1.44–7.07) | 0.003 | 1.29(0.35–4.68) | 0.701 |
Birth Weight < 2500 g | 14 | 8 | 4.19(1.66–10.60) | 0.001 | 2.82(0.70–11.41) | 0.147 |
LOD | (n = 9) | (n = 27) | ||||
Non-resident mother | 4 | 4 | 4.60 (0.85–24.93) | 0.086 | ||
GBS screened positive | 0 | 1 | 1.000 | |||
Intrapartum temperature > =38.0 °C | 1 | 0 | 0.250 | |||
Membrane stripping | 5 | 7 | 3.57 (0.74–17.20) | 0.126 | ||
Rupture of membranes for > = 18 h | 1 | 1 | 3.25 (0.18–58.06) | 0.443 | ||
No IAP | 7 | 26 | 0.14(0.01–1.71) | 0.148 | ||
Gestational Age < 37 weeks | 2 | 2 | 3.57 (0.42–30.10) | 0.255 | ||
Birth Weight < 2500 g | 2 | 3 | 2.29(0.32–16.51) | 0.581 | ||