Table 7.
Factors determining chorioamnionitis among pregnant women with preterm premature rupture of membrane.
| Variable | Category | Chorioamnionitis | OR (95% CI) | |
|---|---|---|---|---|
| Yes | No | |||
| N (%) | N (%) | |||
| GA at ROM (week) | 28–33 + 6 | 3 (8.6) | 32 (91.4) | 1.2 (0.3,4.7) |
| 34–36 + 6 | 9 (7.2) | 116 (92.8) | 1.0 | |
| GA at Delivery (week) | 28–33 + 6 | 0 (0.0) | 27 (17.0) | 1.0 |
| 34–36 + 6 | 12 (8) | 121 (76.0) | 2.6 (1.1,1.3) | |
| Latency period (hours) | <72 | 4 (3.5) | 115 (95.8) | 1.0 |
| ≥72 | 7 (17.1) | 34 (82.9) | 4.7 (1.4, 15.7)** | |
| Labor duration (hours) | <24 | 8 (6.6) | 113 (93.4) | 1.0 |
| ≥24 | 3 (25.0) | 9 (75.0) | 4.6 (1.1, 19.7)** | |
| Prophylactic Abs | Yes | 11 (9.3) | 107 (90.7) | 1.5 (0.9,0.9) |
| Yes | 11 (8.3) | 122 (91.7) | 1.0 | |
| Parity | Nulliparous | 6 (7.2) | 77 (92.8) | 1.0 |
| Multiparous | 6 (7.8) | 71 (92.2) | 0.9 (0.3,2.9) | |
| Educational status | Unable to write/read | 0 (0.0) | 6 (100.0) | 1.0 |
| Able to write/read | 12 (7.8) | 142 (92.2) | 1.0 (1.0,1.1) | |
GA, Gestational age; Abs, Antibiotics; ROM, rupture of membrane. * & ** indicates statically.
Significance difference at p < 0.05 & p < 0.01, respectively.