Table 3 Comparison of interfusional and sub- and epifusional radiological measurements between cases and controls (n = 20)
Variable | Measurements (median [IQR]) | ||
|---|---|---|---|
Cases (n = 10) | Controls (n = 10) | P-value* | |
Coronal Cobb angle at instrumented level (°) | |||
Pre-op | 45 (19) | 36 (9) | 0.129 |
Post-op 6 wks | 5 (12) | 14 (10) | 0.058 |
Δ (pre-op vs 6 wks) | −41 (5) | −24 (15) | 0.002† |
Sagittal Cobb angle at instrumented level (°) | |||
Pre-op | 14 (6) | 13 (11) | 0.363 |
Post-op 6 wks | 3 (8) | 18 (18) | 0.006† |
Δ (pre-op vs 6 wks) | −12 (11) | 5 (4) | 0.001† |
Epifusional sagittal Cobb angle at non-instrumented level (°) | |||
Pre-op | 14 (5) | 22 (8) | 0.023† |
Post-op 6 wks | 12 (6) | 19 (19) | 0.211 |
Δ (pre-op vs 6 wks) | −2 (2) | −6 (6) | 0.087 |
Subfusional sagittal Cobb angle at non-instrumented level (°) | |||
Pre-op | 47 (23) | 42 (14) | 0.762 |
Post-op 6 wks | 39 (19) | 45 (12) | 0.112 |
Δ (pre-op vs 6 wks) | −4 (7) | 6 (5) | 0.006† |