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Table 3 Factors affecting migration percentage after prophylactic femoral varization osteotomy in stable hip

From: Fate of stable hips after prophylactic femoral varization osteotomy in patients with cerebral palsy

 

Estimate (%)

95% CI

SE

P-value

Intercept

8.7

−0.0 to 17.5

4.5

 

Follow-up duration (year)

0.5

−0.0 to 1.0

0.3

0.057

Age at surgery

−0.4

−0.9 to 0.2

0.3

0.218

Sex

1.2

−2.0 to 4.5

1.7

0.459

GMFCS level III-IV

−2.0

−6.8 to 2.8

2.4

0.405

GMFCS level III-V

−2.8

−8.1 to 2.5

2.7

0.308

Anatomical type

2.2

−2.1 to 6.5

2.2

0.322

Laterality

−2.3

−4.9 to 0.2

1.3

0.073

Concomitant Dega osteotomy

14.5

10.6 to 18.5

2.0

< 0.001

  1. A linear mixed model was used to estimate factors affecting migration percentage
  2. CI confidence interval, SE standard error, GMFCS Gross Motor Function Classification System