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Table 2 Association between obstetric factors, HIV infection and GBS colonisation among pregnant women n = 300

From: Maternal and neonatal colonisation of group B streptococcus at Muhimbili National Hospital in Dar es Salaam, Tanzania: prevalence, risk factors and antimicrobial resistance

Variable Total Number
GBS isolated
Percentages P-value
Gestational age     
37-38 220 52 23.6  
39-40 65 10 15.4 0.03
41-42 15 7 46.7  
Parity     
0 138 33 23.9  
1 91 18 19.8  
2 51 11 21.6 0.45
3 12 3 25  
4 6 3 50  
≥ 5 2 1 50  
Previous obstetric history     
Normal healthy baby 137 32 23.2 0.44
Premature 6 0 0  
Spontaneous abortion 18 2 11.1  
Stillbirth 14 4 28.6  
Dysuria     
No 273 64 23.4  
Yes 27 5 18.5 0.38
Vaginal discharge     
No 284 66 23.2 0.67
Yes 16 3 18.8  
HIV infection     
No 276 67 24.3 0.08
Yes 24 2 8.3  
  1. *125 out of 300 pregnant women were primigravida and had no previous obstetric history.