Table 2 Univariate analysis of factors influencing acromion impingement syndrome
| Variable | Experimental group (n = 34) | Control group (n = 136) | Test statistics | P value |
|---|---|---|---|---|
| D value | ||||
| >5.5 mm | 30 | 99 | 3.544 | 0.060 |
| ≤5.5 mm | 4 | 37 | ||
| >6 mm | 28 | 88 | 3.908 | 0.048 |
| ≤6 mm | 6 | 48 | ||
| >6.5 mm | 26 | 75 | 5.129 | 0.024 |
| ≤6.5 mm | 8 | 61 | ||
| >7 mm | 22 | 55 | 6.463 | 0.011 |
| ≤7 mm | 12 | 81 | ||
| >8 mm | 13 | 18 | 11.402 | 0.001 |
| ≤8 mm | 21 | 118 | ||
| >9 mm | 9 | 9 | 11.324 | 0.001 |
| ≤9 mm | 25 | 127 | ||
| >10 mm | 4 | 1 | 11.591 | 0.001 |
| ≤10 mm | 30 | 135 |