Table 1: Mortality rate according to postnatal age of infant.
| Survival time | Number who die n (%) | Cum frequency n (%) |
| 0 to 11 hrs 59 mins | 62 (32.98) | 62 (32.98) |
| 12 to 23 hrs 59 mins | 19 (10.11) | 81 (43.09) |
| 24 to 47 hrs 59 mins | 18 (9.57) | 99 (52.66) |
| 48 to72 hrs 59 mins | 14 (7.45) | 113 (60.11) |
| 73 hrs to 167 hrs | 19 (10.11) | 132 (70.22) |
| 168 to 336 hrs | 26 (13.83) | 158 (84.05) |
| 337 to 504 hrs | 10 (5.32) | 168 (89.37) |
| 505 to 672 hrs | 20 (10.63) | 188 (100) |