Table 2.
The association between the incidence of postpartum readmission and risk factors
| Postpartum readmission | ||||
|---|---|---|---|---|
| Total | N | Hazard Ratio | 95% CI | |
| Severe maternal morbidity | ||||
| No | 87,994 | 807 | 1.00 | |
| Yes | 2041 | 50 | 2.35 | 1.75–3.17 |
| Maternal age (years) | ||||
| 15–19 | 298 | 6 | 2.13 | 0.92–4.88 |
| 20–24 | 4151 | 50 | 1.38 | 1.02–1.88 |
| 25–29 | 28,212 | 308 | 1.29 | 1.10–1.51 |
| 30–34 | 42,410 | 355 | 1.00 | |
| 35–39 | 13,170 | 116 | 1.02 | 0.83–1.27 |
| 40+ | 1794 | 22 | 1.26 | 0.82–1.96 |
| Income level | ||||
| 1Q | 8472 | 87 | 1.01 | 0.77–1.34 |
| 2Q | 13,185 | 132 | 1.00 | 0.78–1.27 |
| 3Q | 23,587 | 216 | 0.75 | 0.76–1.18 |
| 4Q | 29,342 | 282 | 1.03 | 0.84–1.27 |
| 5Q | 15,449 | 140 | 1.00 | |
| Type of insurance | ||||
| Self-employed insured | 26,225 | 256 | 1.05 | 0.91–1.22 |
| Employee insured | 63,527 | 598 | 1.00 | |
| Medical aid | 283 | 3 | 0.90 | 0.28–2.88 |
| Residential area | ||||
| Rural | 26,636 | 281 | 1.13 | 0.98–1.31 |
| Urban | 63,399 | 576 | 1.00 | |
| Mode of delivery | ||||
| Spontaneous vaginal delivery | 31,990 | 282 | 1.00 | |
| Instrumental delivery | 24,648 | 255 | 1.08 | 0.91–1.28 |
| Cesarean section delivery | 33,397 | 320 | 1.01 | 0.86 1.20 |
| Parity | ||||
| 1 (Nulliparous) | 60,081 | 629 | 1.59 | 1.03–2.44 |
| 2 | 26,573 | 206 | 1.23 | 0.79–1.90 |
| 3+ | 3381 | 22 | 1.00 | |
| Comorbidities during pregnancy | ||||
| 0 | 73,743 | 676 | 1.00 | |
| 1+ | 16,292 | 181 | 1.07 | 0.91–1.27 |
| Type of hospital | ||||
| Primary | 42,542 | 400 | 1.09 | 0.94–1.27 |
| Secondary | 38,200 | 327 | 1.00 | |
| Tertiary | 9293 | 130 | 1.55 | 1.19–2.02 |
Adjusted all covariates