Table 1 Monthly frequency of census and mortality proportion (%) on admitted neonates to NICU from 2016 to 2022
From: Time series analysis for forecasting neonatal intensive care unit census and neonatal mortality
Death/census (mortality proportion) | mortality proportion | Chi2(p-value) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Month | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | Total | |
Jan | - | 13/76 (17.11%) | 7/94 (7.45%) | 5/120 (4.17%) | 6/111 (5.41%) | 5/119 (4.20%) | 7/111 (6.31%) | 43/631 (6.82%) | 1.07 (0.36) |
Feb | - | 5/53 (9.43%) | 7/62 (11.29%) | 10/88 (11.36%) | 7/76 (9.21%) | 4/97 (4.12%) | 4/117 (3.42%) | 37/493 (7.51%) | 2.17 (0.14) |
Mar | 1/13 (7.69%) | 2/54 (3.70%) | 9/75 (12.00%) | 11/91 (12.09%) | 4/38 (10.53%) | 3/121 (2.48%) | 7/113 (6.19%) | 37/505 (7.33%) | 0.97 (0.33) |
Apr | 9/58 (15.52%) | 6/62 (9.68%) | 6/83 (7.23%) | 6/76 (7.89%) | 3/43 (6.98%) | 4/108 (3.70%) | 8/109 (7.34%) | 42/539 (7.79%) | 1.35 (0.25) |
May | 7/75 (9.33%) | 7/77 (9.09%) | 4/80 (5.00%) | 5/86 (5.81%) | 2/89 (2.25%) | 6/91 (6.59%) | 9/105 (8.57%) | 40/603 (6.63%) | 1.95 (0.16) |
Jun | 5/78 (6.41%) | 6/98 (6.12%) | 4/76 (5.26%) | 6/91 (6.59%) | 8/78 (10.26%) | 6/115 (5.22%) | 6/79 (7.59%) | 41/615 (6.67%) | 1.29 (0.26) |
Jul | 4/65 (6.15%) | 7/76 (9.21%) | 6/77 (7.79%) | 1/71 (1.41%) | 7/81 (8.64%) | 3/100 (3.00%) | 5/79 (6.33%) | 33/549 (6.01%) | 2.23 (0.13) |
Aug | 2/71 (2.82%) | 9/108 (8.33%) | 9/75 (12.00%) | 3/81 (3.70%) | 2/63 (3.17%) | 9/119 (7.56%) | 4/111 (3.60%) | 38/628 (6.05%) | 3.17 (0.07) |
Sep | 6/67 (8.96%) | 7/63 (11.11%) | 9/96 (9.38%) | 3/85 (3.53%) | 5/88 (5.68%) | 5/111 (4.50%) | 3/96 (3.13%) | 38/606 (6.27%) | 1.65 (0.20) |
Oct | 10/78 (12.82%) | 10/81 (12.35%) | 10/97 (10.31%) | 5/93 (5.38%) | 2/116 (1.72%) | 9/122 (7.38%) | 2/102 (1.96%) | 48/689 (6.98%) | 1.04 (0.37) |
Nov | 9/78 (11.54%) | 10/68 (14.71%) | 7/96 (7.29%) | 5/94 (5.32%) | 1/76 (1.32%) | 8/142 (5.63%) | 3/85 (3.53%) | 43/639 (6.73%) | 1.29 (0.26) |
Dec | 6/91 (6.59%) | 6/90 (6.67%) | 10/93 (10.75%) | 4/100 (4.00%) | 5/115 (4.35%) | 2/111 (1.80%) | 5/119 (4.20%) | 38/719 (5.29%) | 4.23 (0.04) |
Total | 59/674 (8.75%) | 88/914(9.63%) | 88/1004 (8.76%) | 64/1076 (5.95%) | 52/974 (5.33%) | 64/1356 (4.72%) | 63/1216(5.18%) | 478/7216 (6.24%) | |
Chi2(p-value) | 5.73 (0.017) | 12.31 (< 0.001) | 6.03 (0.014) | 3.94 (0.047) | 4.15 (0.042) | 9.82 (0.002) | 6.90 (0.009) | 29.48 (< 0.0001) | |