Table 2 Radiological variables in the +IPI and −IPI group

Number of patients

15

181

Dorr classification, no. (%)^*

< 0.001^a

 Type A

2 (13.3)

54 (28.3)

 Type B

4 (26.7)

109 (57.1)

 Type C

9 (60)

28 (14.6)

Stem alignment (°)

0.065

 Mean (SD)

1.2 (1.9)

0.4 (1.6)

 Median (range)

1 (− 1–3)

0 (− 2–3)

Stem anteversion (°)*

< 0.001

 Mean (SD)

19.1 (8.9)

15.2 (2.9)

 Median (range)

16 (10–39)

15 (9–25)

CPL (mm)^*

< 0.001

 Mean (SD)

2.6 (2.3)

− 0.5 (1.1)

 Median (range)

3 (− 2–5)

0 (-2-1)