Variable | Coefficient | P value |
(A) Daily CT turnaround times | ||
Weekdays, 17:00–20:00 | ||
Time to protocol | ||
Background time trend | 0.0073 | 0.659 |
Intervention effect | −8.7157 | 0.098 |
Intervention time-effect | −0.0291 | 0.516 |
Time to scan | ||
Background time trend | 0.0055 | 0.866 |
Intervention effect | −15.720 | 0.130 |
Intervention time-effect | 0.0540 | 0.541 |
Weekends, 08:00–20:00 | ||
Time to protocol | ||
Background time trend | 0.0335 | 0.455 |
Intervention effect | 0.7174 | 0.953 |
Intervention time-effect | −0.0457 | 0.504 |
Time to scan | ||
Background time trend | 0.1155 | 0.362 |
Intervention effect | −18.434 | 0.592 |
Intervention time-effect | −0.0650 | 0.997 |
(B) Daily CT utilisation rate | ||
Weekdays, 24 hours | ||
Background time trend | 0.0021 | 0.001 |
Intervention effect | −0.0041 | 0.984 |
Intervention time-effect | 0.0021 | 0.275 |
Weekdays, 17:00–20:00 only | ||
Background time trend | 0.0007 | 0.020 |
Intervention effect | −0.0205 | 0.829 |
Intervention time-effect | 0.0015 | 0.058 |
Weekends, 24 hours | ||
Background time trend | 0.0055 | 0.001 |
Intervention effect | 0.6508 | 0.167 |
Intervention time-effect | −0.0104 | 0.691 |
Weekends, 08:00–20:00 only | ||
Background time trend | 0.0033 | 0.008 |
Intervention effect | 0.7322 | 0.032 |
Intervention time-effect | −0.0189 | 0.323 |
p values < 0.05 in bold.