Mortality after miscarriage in previous pregnancy, by interpregnancy interval (IPI) among all singleton live births (n=8705)
| IPI duration (months) (%) | Child's age at death | Known alive at 1 year | Migrated out before age 1 | Total births | Column % | ||
|---|---|---|---|---|---|---|---|
| First week | Week 2–4 | Week 5–52 | |||||
| ≤3 | 67 (3.6) | 37 (2.0) | 49 (2.6) | 1647 (87.8) | 75 (4.0) | 1875 (100.0) | 21.5 |
| 3–6 | 64 (3.1) | 26 (1.3) | 54 (2.6) | 1868 (90.1) | 62 (2.9) | 2074 (100.0) | 23.8 |
| 6–12 | 81 (3.3) | 28 (1.1) | 75 (3.1) | 2196 (89.6) | 72 (2.9) | 2452 (100.0) | 28.2 |
| 12–18 | 31 (3.9) | 8 (1.0) | 13 (1.6) | 714 (90.0) | 27 (3.4) | 793 (100.0) | 9.1 |
| 18–24 | 18 (3.3) | 5 (0.9) | 12 (2.2) | 496 (91.3) | 12 (2.2) | 543 (100.0) | 6.2 |
| 24–36 | 16 (3.4) | 2 (0.4) | 7 (1.5) | 438 (93.4) | 16 (3.4) | 469 (100.0) | 5.4 |
| 36–48 | 6 (2.7) | 2 (0.8) | 6 (2.7) | 207 (91.5) | 5 (2.2) | 226 (100.0) | 2.6 |
| >48 | 9 (3.3) | 2 (0.7) | 4 (1.5) | 243 (89.0) | 15 (5.5) | 273 (100.0) | 3.1 |
| Total | 292 (3.4) | 110 (1.3) | 220 (2.5) | 7799 (89.5) | 284 (3.6) | 8705 (100.0) | |
| Rate per 1000 at risk | 33.5 | 13.1 | 26.6 | ||||
Mortality rates are calculated using denominator for infants alive and in Matlab at the beginning of the interval.