Table V.
Logistic regression for cartilage injury in patients with FAI and dysplasia
| FAI |
Detachment
P-values |
OR
(95% CI) |
Delamination
P-values |
OR
(95% CI) |
|---|---|---|---|---|
| Typea | ||||
| Cam (ref. mixed) | 0.341 | 0.333 (0.035, 3.205) |
0.701 | 0.722 (0.137, 3.205) |
| Pincer (ref. mixed) | 1.000 | 1.000 (0.034, 29.807) |
0.931 | 0.889 (0.061, 12.885) |
| Radiological factors | ||||
| LCEA | 0.394 | 1.048 (0.941, 1.169) |
0.770 | 0.989 (0.919, 1.065) |
| AI | 0.818 | 0.974 (0.785, 1.209) |
0.814 | 1.017 (0.885, 1.169) |
| Acetabular version | 0.563 | 1.053 (0.884, 1.254) |
0.471 | 1.040 (0.935, 1.156) |
| Alpha angle | 0.859 | 0.988 (0.870, 1.123) |
0.841 | 1.008 (0.929, 1.094) |
| Demographic factors | ||||
| BMI | 0.346 | 1.116 (0.888, 1.402) |
0.013 | 1.226 (1.043, 1.441) |
| Age | 0.079 | 1.067 (0.992, 1.147) |
0.669 | 1.009 (0.967, 1.053) |
| Symptom duration | 0.499 | 0.987 (0.951, 1.025) |
0.173 | 0.985 (0.963, 1.007) |
| Sex | 0.181 | 0.267 (0.038, 1.852) |
0.348 | 0.571 (0.178, 1.838) |
| Side | 0.648 | 1.524 (0.250, 9.295) |
0.624 | 1.333 (0.422, 4.218) |
| Dysplasia | ||||
| Radiological factors | ||||
| LCEA | 0.234 | 0.947 (0.866, 1.036) |
0.868 | 0.991 (0.894, 1.100) |
| ACEA | 0.431 | 0.964 (0.880, 1.056) |
0.959 | 0.997 (0.898, 1.107) |
| AI | 0.049 | 1.127 (1.000, 1.270) |
0.071 | 1.104 (0.992, 1.229) |
| Demographic factors | ||||
| BMI | 0.111 | 1.195 (0.960, 1.487) |
0.056 | 1.259 (0.994, 1.593) |
| Age | 0.105 | 1.044 (0.991, 1.101) |
0.499 | 1.020 (0.963, 1.081) |
| Symptom duration | 0.437 | 1.014 (0.979, 1.051) |
0.261 | 0.999 (0.984, 1.061) |
| Side | 0.465 | 0.651 (0.206, 2.057) |
0.709 | 1.282 (0.348, 4.730) |
FAI, femoroacetabular impingement; OR, odds ratio; CI, confidence interval; LCEA, lateral center-edge angle; ACEA, anterior center-edge angle; AI, acetabular index; BMI, body mass index.
Cam, pincer and mixed, as revealed by multinomial logistic regression.
Bold P-values indicate statistical significance (P < 0.05).