Table 1 Patient characteristics of prepseudarthrosis versus atrophic-type CPT

Age at initial presentation (years)

3.0 (0.1–4.5)

2.6 (0.1–7.3)

0.595^a

Sex (Male: Female)

13 : 9

13 : 20

0.152^b

Laterality (Right: Left)

9 : 13

15 : 18

0.739^b

Neurofibromatosis type 1 (Presence: Absence)

10 : 12

29 : 4

0.001^b

Crawford classification (I: II: III: IV)

16 : 6 : 0 : 0

0 : 0 : 3 : 30

<0.001^b

Femoral overgrowth

At initial presentation

1 : 21

10 : 23

0.019^b

(With: Without)

At last follow-up

1 : 21

13 : 20

0.004^b