| BTS/JRCALC Oxygen category | Number (%) of cases | Percent with low SpO2 | Percent given oxygen |
| 1. Critical illness (Reservoir mask) | 14 (3%) | 50% | 79% |
| 2. Moderate oxygen (Target 94–98%) | 52 (12%) | 58% | 71% |
| SpO2 <94% | |||
| 3. Controlled oxygen (Target 88–92%) | 14 (3%) | 29% | 86% |
| SpO2 <88% | |||
| 4. Give oxygen only if SpO2 falls <94% | 363 (82%) | 12% | 17% |
| SpO2 <94% | |||
| Average | Total 443 cases | 19% (86 cases) | 27% (120 cases) |