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Table 1 Risk factors for invasive Group B Streptococcal (GBS) disease in EOD and LOD cases and matched controls

From: Burden and risk factors of invasive group B Streptococcus disease among neonates in a Chinese maternity hospital

  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