Data showing that absence of tachypnoea is a risk factor for mortality
| Study | Number in RR range who died/total number in RR range (CFR) | ||
|---|---|---|---|
| >60 breaths/min | 50–60 breaths/min | <50 breaths/min | |
| RR, Respiratory rate; CFR, RR specific case fatality rate. | |||
| Mathur et al9 | 27/91 (30%) | 1/5 (20%) | 4/7 (57%) |
| Singhi & Singhi15 | 4/78 (5%) | – | 3/11 (27%) |
| Misra et al14 | 7/12 (21%) | 7/32 (58%) | – |