Table 3 Radiological signs stratified by bone age
F < 10.5 years, M < 11.5 years | p value | F > 10.5 years, M > 11.5 years | p value | |||
|---|---|---|---|---|---|---|
SHOX D+ | SHOX D - | SHOX D+ | SHOX D - | |||
Triangularization index | – | – | – | 9.5 (4.2) | 6.8 (2.3) | .002 |
Carpal angle, degrees | 129.0 (10.0) | 130.3 (8.4) | .6 | 127.1 (10.4) | 131.0 (8.4) | .1 |
Lucency of the ulnar border of the distal radius, % | 52.2 | 28.7 | .03 | 73.7 | 50 | .08 |
Ulnar tilt, % | 17.4 | 0.7 | .000 | 21.1 | 0 | .002 |
Radio-ulnar physeal disparity, mm | 2.4 (1.4) | 2.5 (1.5) | .8 | 3.3 (1.6) | 2.9 (1.7) | .4 |
Short 4th metacarpal, % | 13.0 | 10.9 | .8 | 36.9 | 16.7 | .08 |
Short 5th metacarpal, % | 0 | 1.5 | .6 | 5.3 | 7.1 | .8 |
Bowing of the radius, % | 91.7 | 80–5 | .35 | 85.7 | 82.3 | .8 |
Enlarged diaphysis of radius, % | 83.3 | 48.1 | .02 | 71.4 | 35.3 | .1 |
Enlarged diaphysis of radius plus bowing of radius, % | 75.0 | 42.9 | .04 | 71.4 | 35.3 | .1 |
Convexity of distal radial metaphysis, % | 56.2 | 23.4 | .001 | 73.7 | 45.2 | .04 |