Table 3 Variables identified as confounders and occurrence of their confounding effect on total comparisons
Variable | N | % |
|---|---|---|
Malposition and malpresentation of fetus | 23 | 96% |
Marital status | 22 | 92% |
Infant birth weight, grams | 17 | 71% |
Fetopelvic disproportion/excessive development of the infant | 11 | 46% |
Antepartum hemorrhage/abruptio placentae/placenta previa | 7 | 29% |
Eclampsia or pre-eclampsia | 11 | 46% |
Age, yrs | 9 | 38% |