Table 5.
Number of patients, deaths, and case fatality ratio by parameter used in the Pneumonia Etiology Research for Child Health (PERCH) study score for HIV-negative children 1-59 mo old in the Pneumonia REsearch Partnerships to Assess WHO REcommendations (PREPARE) data set (n = 732)
| Parameter | Sign or symptom present, n (%) | Deaths, n | Case fatality ratio % (95% confidence interval) |
|---|---|---|---|
| Age 1-11 months |
569 (77.7) |
13 |
2.3 (1.2-3.9) |
| Female |
277 (37.8) |
7 |
2.5 (1.0-5.1) |
| Unresponsiveness |
102 (13.9) |
0 |
0.0 (-) |
| Cough – (history) |
731 (99.9) |
16 |
2.2 (1.3-3.5) |
| Grunting – (observed) |
137 (18.7) |
5 |
3.7 (1.2-8.3) |
| Oxygen saturation (SpO2)<92% |
526 (71.9) |
9 |
1.7 (0.8-3.2) |
| Maximum duration of illness – 3 d or more |
633 (86.5) |
15 |
2.4 (1.3-3.9) |
| World Health Organization (WHO) weight-for-age z-score<-3 |
83 (11.3) |
6 |
7.2 (2.7-15.1) |
| WHO weight-for-age z-score≥-3 to<-2 |
120 (16.4) |
1 |
0.8 (0.01-4.6) |
| Total | 16 | 2.2 (1.2-3.5) |