Table 2 Assessment of time (measured in minutes) and effort (measured in mouse button presses/clicks) of observer 1 in seven radial MRI planes of 19 FAI (femoroacetabular impingement) hip joints, including mean ± standard deviation, using either the manual or the automated software method, and P-values demonstrating differences in time and clicks between the manual measurement 1 and 2 and between both manual measurements and the automated measurement
| Â | Â | Â | Mean | P-value |
|---|---|---|---|---|
Manual reformating Seven radial MRI planes | Time (min) | Measurement 1 | 0.9 ± 0.2 | 0.003 |
Measurement 2 | 0.8 ± 0.1 | |||
|  | Clicks | Measurement 1 | 18.8 ± 2.8 | 0.263 |
|  | Measurement 2 | 18.1 ± 1.9 | ||
Manual calculation Alpha angles | Time (min) | Measurement 1 | 24.5 ± 6.3 |  < 0.001 |
Measurement 2 | 10.5 ± 2.8 | |||
|  | Clicks | Measurement 1 | 1113.9 ± 95.1 |  < 0.001 |
|  | Measurement 2 | 235.2 ± 23.8 | ||
Manual total Reformating + Calculation | Time (min) | Measurement 1 | 25.4 ± 6.3 |  < 0.001 |
Measurement 2 | 11.2 ± 2.7 | |||
|  | Clicks | Measurement 1 | 1132.7 ± 95.1 |  < 0.001 |
Measurement 2 | 253.3 ± 23.8 | |||
Software | Time (min) | CD Uploading | 16.6 ± 1.9 |  |
Time (min) | Measurement 5 | 25.8 ± 2.8 |  < 0.001 | |
Clicks | Measurement 5 | 22.8 ± 3.3 |  < 0.001 |