Table 2. Association between intrapartum cardiotocography category and high-risk maternal conditions.
| CTG category I (105) | CTG category II (20) | CTG category III (10) | p | |
|---|---|---|---|---|
| Maternal hemoglobin level <10 g/dL | 21.0% (22/105) | 25.0% (5/20) | 10.0% (1/10) | 0.630 |
| Pre-existing and gestational diabetes mellitus | 30.5% (32/105) | 5.0% (1/20) | 20.0% (2/10) | 0.066 |
| Gestational arterial hypertension | 25.7% (27/105) | 65.0% (13/20) | 40.0% (4/10) | 0.002 |
| Chronic arterial hypertension | 13.3% (14/105) | 0.0% (0/20) | 10.0% (1/10) | 0.219 |
| Pre-eclampsia | 3.8% (04/105) | 5.0% (1/20) | 0.0% (0/10) | 0.742 |
| Fetal growth restriction | 6.7% (07/105) | 0.0% (0/20) | 20.0% (2/10) | 0.117 |
Chi-square test: percentage (n/N). A: Category I vs. Category II; B: Category I vs. Category III; C: Category II vs. Category III, p<0.05.