Table 1.
General characteristic of study population
| Total (N = 90,035) |
No SMM (N = 87,994) |
SMM (N = 2041) |
||||
|---|---|---|---|---|---|---|
| N | (%) | N | (%) | N | (%) | |
| Postpartum readmission | ||||||
| No | 89,178 | (99.05) | 87,187 | (99.08) | 1991 | (97.55) |
| Yes | 857 | (0.95) | 807 | (0.92) | 50 | (2.45) |
| Maternal characteristics | ||||||
| Maternal age (years) | ||||||
| 15–19 | 298 | (0.33) | 284 | (0.32) | 14 | (0.69) |
| 20–24 | 4151 | (4.61) | 4055 | (4.61) | 96 | (4.70) |
| 25–29 | 28,212 | (31.33) | 27,737 | (31.52) | 475 | (23.27) |
| 30–34 | 42,410 | (47.10) | 41,492 | (47.15) | 918 | (44.98) |
| 35–39 | 13,170 | (14.63) | 12,739 | (14.48) | 431 | (21.12) |
| 40+ | 1794 | (1.99) | 1687 | (1.92) | 107 | (5.24) |
| Income level | ||||||
| 1Q | 8472 | (9.41) | 8244 | (9.37) | 228 | (11.17) |
| 2Q | 13,185 | (14.64) | 12,881 | (14.64) | 304 | (14.89) |
| 3Q | 23,587 | (26.20) | 23,074 | (26.22) | 513 | (25.13) |
| 4Q | 29,342 | (32.59) | 28,708 | (32.62) | 634 | (31.06) |
| 5Q | 15,449 | (17.16) | 15,087 | (17.15) | 362 | (17.74) |
| Type of insurance | ||||||
| Self-employed insured | 26,225 | (29.13) | 25,558 | (29.05) | 667 | (32.68) |
| Employee insured | 63,527 | (70.56) | 62,167 | (70.65) | 1360 | (66.63) |
| Medical aid | 283 | (0.31) | 269 | (0.31) | 14 | (0.69) |
| Residential area | ||||||
| Rural | 26,636 | (29.58) | 25,976 | (29.52) | 660 | (32.34) |
| Urban | 63,399 | (70.42) | 62,018 | (70.48) | 1381 | (67.66) |
| Working status | ||||||
| Work | 25,055 | (27.83) | 24,500 | (27.84) | 555 | (27.19) |
| Not work | 64,980 | (72.17) | 63,494 | (72.16) | 1486 | (72.81) |
| Mode of delivery | ||||||
| Spontaneous vaginal delivery | 31,990 | (35.53) | 31,617 | (35.93) | 373 | (18.28) |
| Instrumental delivery | 24,648 | (27.38) | 24,229 | (27.53) | 419 | (20.53) |
| Cesarean section delivery | 33,397 | (37.09) | 32,148 | (36.53) | 1249 | (61.20) |
| Parity | ||||||
| 1 (Nulliparous) | 60,081 | (66.73) | 58,547 | (66.54) | 1534 | (75.16) |
| 2 | 26,573 | (29.51) | 26,126 | (29.69) | 447 | (21.90) |
| 3+ | 3381 | (3.76) | 3321 | (3.77) | 60 | (2.94) |
| Twin birth status | ||||||
| Singleton | 88,944 | (98.79) | 87,013 | (98.89) | 1931 | (94.61) |
| Twin | 1091 | (1.21) | 981 | (1.11) | 110 | (5.39) |
| Comorbidities during pregnancy | ||||||
| 0 | 73,743 | (81.90) | 72,500 | (82.39) | 1243 | (60.90) |
| 1+ | 16,292 | (18.10) | 15,494 | (17.61) | 798 | (37.10) |
| Hospital characteristics | ||||||
| Type of hospital | ||||||
| Primary | 42,542 | (47.25) | 41,973 | (47.70) | 569 | (27.88) |
| Secondary | 38,200 | (42.43) | 37,578 | (42.71) | 622 | (30.48) |
| Tertiary | 9293 | (10.32) | 8443 | (9.59) | 850 | (41.65) |
SMM severe maternal morbidity