Table 3.
Univariate logistic regression for cut-off points of spinopelvic parameters for the need for surgery.
| Surgery (n = 25) |
Conservative (n = 54) |
OR (95% CI) | p | |
|---|---|---|---|---|
| SVA | 3.09 (1.14–8.41) | 0.027 * | ||
| <50 (mm) | 8 (32) | 32 (59.26) | ||
| ≥50 (mm) | 17 (68) | 2 (40.74) | ||
| DSVA | 3.31 (1.23–8.90) | 0.018 * | ||
| <60 (mm) | 11 (44) | 39 (72.22) | ||
| ≥60 (mm) | 14 (35) | 15 (27.78) | ||
| PT | 5.61 (2.01–15.67) | 0.001 * | ||
| <27 (°) | 9 (36) | 41 (75.93) | ||
| ≥27 (°) | 16 (64) | 13 (24.07) | ||
| PI | 4.73 (1.72–13.05) | 0.003 * | ||
| In 44–62° | 10 (40) | 41 (75.93) | ||
| Out of 44–62° | 15 (60) | 13 (24.07) | ||
| SS | 1.25 (0.46–3.42) | 0.664 | ||
| <30 (°) | 8 (32) | 20 (37.04) | ||
| ≥30 (°) | 17 (68) | 34 (62.96) | ||
| LL | 0.97 (0.37–2.55) | 0.95 | ||
| <42 (°) | 15 (60) | 32 (59.26) | ||
| ≥42 (°) | 10 (40) | 22 (40.74) |
* Statistically significant. Data are presented as number (percentage). SVA: sagittal vertical axis; DSVA: horizontal distance between fracture center to C7 plumb line; PT: pelvic tilt; PI: pelvic incidence; OR: odds ratio; CI: confidence interval.