Table 2 Outcomes for the 6 (age: 13, 14, 15, 16, 17, 18) × 2 (side: throwing arm, non-throwing arm) analysis of variance with repeated measure on side
Measure | 13 years (n = 25) | 14 years (n = 32) | 15 years (n = 49) | 16 years (n = 34) | 17 years (n = 33) | 18 years (n = 17) | p value (ηp2) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TA | NTA | TA | NTA | TA | NTA | TA | NTA | TA | NTA | TA | NTA | Age | Side | ||
MD (% AL) | 109.2 ± 11.5 | 108.3 ± 8.5 | 110.6 ± 9.0 | 109.5 ± 8.7 | 107.7 ± 9.4 | 105.6 ± 9.9 | 106.6 ± 18.4 | 105.3 ± 17.1 | 97.9 ± 19.9 | 96.4 ± 17.5 | 98.8 ± 23.3 | 97.2 ± 23.6 | .002† (.10) | .004* (.04) | |
IL (% AL) | 99.1 ± 10.6 | 98.3 ± 14.0 | 108.1 ± 11.7 | 104.5 ± 13.1 | 99.3 ± 11.8 | 99.5 ± 13.0 | 109.1 ± 17.9 | 107.2 ± 18.2 | 105.9 ± 19.3 | 104.9 ± 19.7 | 108.9 ± 17.3 | 107.4 ± 16.4 | .025† (.07) | .034* (.02) | |
SL (% AL) | 77.8 ± 11.0 | 78.4 ± 12.9 | 83.5 ± 8.8 | 80.4 ± 9.8 | 84.7 ± 11.6 | 83.2 ± 11.6 | 87.0 ± 10.9 | 85.2 ± 11.4 | 85.1 ± 12.5 | 83.7 ± 12.8 | 92.2 ± 10.7 | 89.0 ± 10.9 | .006† (.09) | .010* (.04) | |
CS (% AL) | 95.4 ± 8.8 | 95.0 ± 10.0 | 100.6 ± 8.2 | 98.0 ± 8.4 | 97.2 ± 8.4 | 96.1 ± 9.4 | 100.9 ± 8.9 | 99.2 ± 10.0 | 96.3 ± 8.5 | 95.0 ± 8.4 | 100.0 ± 7.1 | 97.9 ± 8.0 | .112 (.05) | < .001* (.07) | |