Table 3

Comparison of radiographic outcomes.

VariableOperative (n = 14)Nonoperative (n = 13) P
Initial Cobb angle (°)−5° ± 20.5° (−43.5 to 33)−13° ± 13.4° (−31.8 to 14.1)0.225a
First follow-up
 Days at first follow-up40.7 ± 21.9 (17–97)39.7 ± 16 (16–64)0.892
 Cobb angle at first follow-up (°)2.6° ± 17° (−15.1 to 42)−13.9° ± 15° (−34 to 16.8) 0.015 a
 Change in Cobb angle from presentation (°)7.6° ± 10.9° (−8.3 to 34.8)−0.9° ± 5.1° (−13.7 to 6.1)0.029a
Second follow-up
 Patients lost prior to second follow-up3 (21%)5 (38.5%)0.42
 Days at second follow-up148.3 ± 126.6 (45–430)86.6 ± 49.9 (40–166)0.212
 Cobb angle at second follow-up (°)3.6° ± 18.4° (−16 to 43)−12° ± 15.8° (−32.4 to 16.3)0.07a
 Change in Cobb angle from presentation (°) 4.1° ± 8.9° (−14.6 to 12.4)−1.4° ± 3.1° (−5.1 to 2.8)0.117a
 Change in Cobb angle from first follow-up (°) −1.2° ± 2.3° (−6.2 to 2.1)−1.1° ± 2.4° (−4.8 to 2.1)0.869a
  • Note: Data presented as mean ± SD (range) or n (%). A negative value and negative change indicates the presence of kyphosis or the addition of kyphosis. Boldface indicates a statistically significant difference.

  • a Kruskal-Wallis test employed; Kyphosis° (kyphosis angle).