Table 4.
Number of patients, deaths, and case fatality ratio for parameters in the Respiratory Index of Severity in Children (RISC)-Malawi score using weight-for-age z-score (WAZ) for children 2-59 mo old in the PREPARE data set (n = 17 864)
| Parameter | Sign or symptom present, n (%) | Deaths, n | Case fatality ratio % (95% confidence interval) |
|---|---|---|---|
| Oxygen saturation (SpO2): | |||
| SpO2≥93% |
9804 (54.9) |
243 |
2.5 (2.2-2.8) |
| SpO2 90%-92% |
3727 (21.9) |
118 |
3.2 (2.6-3.8) |
| SpO2<90% |
4333 (24.2) |
508 |
11.7 (10.8-12.7) |
| World Health Organization (WHO) weight-for-age z score (WAZ) categories: | |||
| WAZ>-2 |
11 973 (67.0) |
395 |
3.3 (3.0-3.6) |
| WAZ -2 to -3 |
3157 (17.7) |
212 |
6.7 (5.9-7.6) |
| AZ<-3 |
2734 (15.3) |
262 |
9.6 (8.5-10.7) |
| Female |
8360 (46.8) |
466 |
5.6 (5.1-6.1) |
| Wheezing |
5489 (30.7) |
174 |
3.2 (2.7-3.7) |
| Unconscious/decreased consciousness |
738 (4.1) |
96 |
13.0 (10.7-15.6) |
| Total | 869 | 4.9 (4.5-5.2) | |