Table 1 Mean [95% CI] PVT in milliseconds before, during and after HEMS shifts stratified by shift type
Start shift | Mid shift | End shift | P | |
|---|---|---|---|---|
Shift type | ||||
Early | 457 [430–486] | 454 [419–488] | 453 [428–478] | 0.70 |
Day | 461 [420–502] | 469 [436–502] | 467 [415–519] | 0.86 |
Late | 441 [419–462] | 440 [424–454] | 452 [428–478] | 0.46 |
Night | 420 [380–460] | 446 [417–474] | 454 [418–489] | 0.03 |
Relief | 464 [428–500] | 455 [414–496] | 454 [417–490] | 0.92 |