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Table 3 Cox regression analysis results for femur-pelvic angle (FPA) during single-leg vertical drop jump

From: Performance in dynamic movement tasks and occurrence of low back pain in youth floorball and basketball players

Continuous variablesb,cUnivariateAdjusted
HR95% CIP valueHR95% CIP value
 Femur-pelvic angle, left side (a)1.04(0.97 to 1.11)0.2401.04(0.97 to 1.11)0.310
 Femur-pelvic angle, right side (a)1.09(1.02 to 1.17)0.0111.09(1.02 to 1.17)0.014
Gradual onset non-traumatic LBP
 Femur-pelvic angle, left side (a)1.04(0.96 to 1.11)0.3701.03(0.95 to 1.11)0.480
 Femur-pelvic angle, right side (a)1.10(1.02 to 1.18)0.0131.09(1.01 to 1.18)0.021
Dichotomous variablesd
  Femur-pelvic angle, left side (low vs high)1.80(0.91 to 3.57)0.0941.86(0.94 to 3.71)0.076
  Femur-pelvic angle, right side (low vs high)2.15(1.10 to 4.21)0.0262.19(1.12 to 4.30)0.023
Gradual onset non-traumatic LBP
  Femur-pelvic angle, left side (low vs high)1.72(0.79 to 3.73)0.1701.80(0.83 to 3.90)0.140
  Femur-pelvic angle, right side (low vs high)2.25(1.07 to 4.72)0.0332.30(1.09 to 4.84)0.028
  1. HR Hazard ratio, CI confidence interval, all LBP acute traumatic and gradual non-traumatic low back pain
  2. a degrees
  3. bAdjusted with history of LBP, leg dominance
  4. c HR calculated per one-degree decrease
  5. dAdjusted with history of LBP
  6. Femur-pelvic angle, left side high > = 80.0°, low< 80.0°
  7. Femur-pelvic angle, right side high > = 76.3°, low< 76.3°
  8. Statistically significant results are indicated with bold