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Crude association between the rate of flights and the presence of physicians, by flight type, 1 January 2012 to 31 December 2018.
| Flights | RR | 95% CI | p-value |
|---|---|---|---|
| All | 1.27 | 1.24 to 1.30 | <0.001 |
| Medevac | 1.19 | 1.10 to 1.29 | <0.001 |
| Sched-Evac | 1.28 | 1.25 to 1.31 | <0.001 |
Comparing physician present to not present.
