Table 4 Data on age, MLC, gender and PRO instruments (mean score, internal consistency and correlation with MLC)
< 18 years old | ≥ 18 years old | Overall sample | |
|---|---|---|---|
n | 42 | 38 | 80 |
Mean age (years) (SD) | 13.9 (1.9) | 27.3 (7.4) | 20.3 (8.6) |
MLC (SD) | 42.8° (13.0) | 49° * (11.7) | 21.2° (13) |
Gender (% female) | 85.7% | 84.2% | 85% |
TAPS | |||
Mean score (max score = 5) (SD) | 3.6 (0.8) | 2.8* (0.8) | 3.2 (.9) |
Internal consistency (Cronbach’s α) | .83 | .85 | .87 |
Relation with Cobb angle (Pearson’s r) | -.64 | -.55 | -.62 |
Appearance SAQ | |||
Mean score (max score = 50) (SD) | 21.3 (6.6) | 27.6* (6.8) | 15.3 (7.3) |
Internal consistency (Cronbach’s α) | .86 | .87 | .89 |
Relation with Cobb angle (Pearson’s r) | .6 | .55 | .61 |
Expectation SAQ | |||
Mean score (max score = 20) (SD) | 15.3 (4.8) | 15.4 (5.0) | 24.3 (5.0) |
Internal consistency (Cronbach’s α) | .84 | .9 | .87 |
Relation with Cobb angle (Pearson’s r) | .26** | .23** | .24 |
QLPSD-bi | |||
Mean score (max score = 20) (SD) | 10.8 (4.0) | 12.11* (4.9) | 11.4 (4.4) |
Internal consistency (Cronbach’s α) | .8 | .86 | .8 |
Relation with Cobb angle (Pearson’s r) | .2** | .47 | .36 |
SRS-22 Self Image | |||
Mean score (max score = 5) (SD) | 3.4 (3.1) | 2.98* (3.8) | 3.4 (3.6) |
Internal consistency (Cronbach’s α) | .73 | .81 | .78 |
Relation with Cobb angle (Pearson’s r) | -.2 ** | -.55 | -.41 |