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| Dichotomous outcomes | PLMA | TT | Effect estimate | ||
| Events | Total | Events | Total | MH risk ratio (95% CI) |
|
| Episodes of hypoxaemia (< 92% saturation) | 4 | 35 | 15 | 35 | 0.27 (0.10 to 0.72) |
| Coughing between induction and recovery | 3 | 35 | 29 | 35 | 0.10 (0.03 to 0.31) |
| Patient‐reported sore throat/dysphonia | 1 | 35 | 4 | 35 | 0.25 (0.03 to 2.13) |
| Successful placement at first attempt | 33 | 35 | 32 | 35 | 1.03 (0.91 to 1.17) |
