Table 3 Basic characteristics of bar displacement index tertiles
Variable | |(bar0-bar1)/bar0 | x 100 | |||
|---|---|---|---|---|
Tertile 1 (0–2.9) N* = 30 | Tertile 2 (2.9-7.2) N* = 30 | Tertile 3 (>7.2) N* = 30 | P | |
Age | 14.5 ± 9 | 15.5 ± 7.6 | 18.7 ± 7.5 | 0.1167 |
Sex | 0.6644 | |||
Male | 22 | 24 | 21 | |
Female | 8 | 6 | 9 | |
BMI | 18 ± 2.7 | 18.1 ± 2.9 | 19.9 ± 2.6 | 0.0135 |
Height | 1.5 ± 0.3 | 1.6 ± 0.2 | 1.7 ± 0.2 | 0.0141 |
Weight | 43.6 ± 19.4 | 48.7 ± 16.4 | 57.9 ± 13.7 | 0.0049 |
Pre-HI | 4 ± 1.3 | 4.1 ± 1 | 4.4 ± 1.2 | 0.3708 |
Post-HI | 2.6 ± 0.3 | 2.8 ± 0.4 | 2.8 ± 0.4 | 0.0725 |
Type | 0.8747 | |||
Symmetric | 16(53.3 %) | 15(50 %) | 17(56.7) | |
Asymmetric | 14(46.7 %) | 15(50 %) | 13(43.3) | |
Grade | < .0001 | |||
1 | 30(100 %) | 25(83.3 %) | 13(43.3 %) | |
2 | 0 | 3(10 %) | 9(30 %) | |
3 | 0 | 2(6.7 %) | 5(16.7 %) | |
4 | 0 | 0 | 3(10 %) | |
No. of inserted bars | < .0.001 | |||
1 | 19(63.3 %) | 10(33.3 %) | 3(10 %) | |
2 | 11(36.7 %) | 20(66.7 %) | 27(90 %) | |