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Table 1 Distribution of sociodemographic and obstetric characteristics among the women.

From: Incidence and risk factors for caesarean wound infection in Lagos Nigeria

Variable Cases
N = 76(%)
Controls
N = 741(%)
X2 P value
Maternal age(years)     
   • Less than 20 8(10.5) 88(11.9)   
   • 20-34 61(80.3) 588(79.4) 0.13 0.93
   • Greater than 35 7(9.2) 65(8.8)   
Body mass index     
   • Less than 23 15(19.7) 205(27.7)   
   • 23-24 22(29.0) 281(37.9) 8.97 0.0112
   • Greater 25 39(51.3) 251(33.9)   
Booking status     
   • Booked 57(75.0) 54273.1)   
   • Unbooked 19(25.0) 199(26.9) 0.05 0.83
Prolonged rupture of membrane 11(14.5) 51(6.9) 5.66 0.02
Prolonged operation time 23(30.3) 117(19.8) 10.16 0.001
Anaemia 13(17.1) 137(18.5) 4.63 0.031
Multiple vaginal examination 29(38.2) 191(25.8) 5.36 0.021
Prolonged labour 36(47.4) 339(45.7) 0.07 0.79
Previous surgery 13(17.1) 145(19.7) 0.27 0.6