Table 1 Alpha angle values in seven radial MRI planes of 19 FAI (femoroacetabular impingement) hip joints (= 133 measurements in total) including mean, standard deviation (SD), minimum, maximum and percentile values, obtained with manual and automated software assessments
| Â | Mean | SD | Min | Max | Percentiles | ||
|---|---|---|---|---|---|---|---|
25 | 50 | 75 | |||||
Observer 1 Measurement 1 | 61.38 | 19.04 | 32.00 | 127.00 | 46.35 | 57.80 | 73.35 |
Observer 1 Measurement 2 | 58.57 | 18.40 | 29.00 | 112.00 | 42.80 | 53.40 | 70.70 |
Observer 2 Measurement 3 | 54.36 | 14.30 | 29.00 | 108.00 | 43.50 | 52.00 | 62.50 |
Observer 2 Measurement 4 | 52.61 | 13.70 | 29.00 | 105.00 | 43.00 | 50.00 | 60.00 |
Software Measurement 5 | 57.07 | 5.80 | 44.00 | 72.00 | 52.50 | 56.00 | 62.00 |