| Characteristic | Patients | Controls | Total | p-value |
| Age |
| |||
|
| 27.09 ± 0.62 | 27.30 ± 0.62 | 208 (100%) | 0.811 |
| Gestational age |
| |||
|
| 38.16 ± 0.12 | 38.76 ± 0.15 | 208 (100%) | 0.002 |
| Residence Area |
| |||
| Rural Urban | 64 (57.7%) 47 (42.3%) | 57 (58.8%) 40 (41.2%) | 121 (58.2%) 87 (41.8%) |
0.889 |
| Total | 111 (100%) | 97 (100%) | 208 (100%) | |
| Parity |
| |||
| Primiparous Multiparous Grand multiparous | 54 (48.6%) 41 (36.9%) 16 (14.4%) | 37 (38.1%) 48 (49.5%) 12 (12.4%) | 91 (43.8%) 89 (42.8%) 28 (13.5%) |
0.185 |
| Total | 111 (100%) | 97 (100%) | 208 (100%) | |