| Physician | A | B | C | D | E |
| NRC (n = 12) | 4 (33.3%) | 9 (75%)* | 8(66.6%) | 3 (25%) | 11(92%) |
| RC (n = 7) | 2 (28.5%) | 1 (14.2%) | 2 (28.5%) | 0 (0%) | 7(100%) |
| NRSPR (n = 9) | 5 (55.5%) | 7 (77.7%)‡ | 8 (89%)‡ | 4 (44.4%) | 8 (89%) |
| SHO (n = 17) | 12 (70%) | 14 (82%)** | 14 (82%)† | 9 (53%)¶ | 15 (88%) |
| FY2 (n = 6) | 3/(50%) | 5 (83.3%)§ | 3 (50%) | 4 (66.6%)¶ | 5 (83.3%) |
| FY1 (n = 10) | 3 (30%) | 6 (60%) | 4 (40%) | 3 (30%) | 9 (90%) |
| Total (n = 61) | 29 (47.5%) | 42 (68.8%) | 39 (64%) | 23 (38%) | 55 (90%) |
NRC, non-respiratory consultant; RC, respiratory consultants and SPR; NRSPR, non-respiratory SPR.
Odds ratio compared to RC (Fishers exact test): *(OR 0.06, p<0.02), **(OR 0.04, p<0.005), †(OR 0.09, p<0.03), ‡(OR 0.05, p<0.05), §(OR 0.033, p<0.03), ¶(OR 0.00, p<0.03).