Table 7: Incidence Rate for Atonic Bleeding in the Presence or Absence of Hiesho by Age Group

Age Regression Coefficient (B) Standard Error (SE) Wald Statistic (SE/B)2 Degrees of Freedom Significant Probability (p) Odds Ratio (OR) 95% Confidence Interval (CI value)
<35* 0.83 0.12 45.53 1 0.001 2.29 1.80-2.91
35-39** 0.50 0.19 7.12 1 0.008 1.65 1.14-2.40
40≤*** 0.69 0.58 1.44 1 0.230 2.00 0.64-6.23

Goodness of fit of the model
* Chi-square test p<0.001, Hosmer-Lemeshow test 0.62, discriminant accuracy rate 74.7%.
** Chi-square test p=0.004, Hosmer-Lemeshow test 0.29, discriminant accuracy rate 75.5%.
*** Chi-square test p=0.002, Hosmer-Lemeshow test 0.24, discriminant accuracy rate 86.0%.
n (excluding those who had undergone a Caesarean section) *=1595 ˎ **=711 ˎ ***=121.