Table 2 Interobserver agreement for radiographic measurements

Preoperative canal calcar ratio (CCR)

0.63

(0.26

–0.84)

 < 0.001

Preoperative cortical thickness index (CTI)

0.78

(0.54

–0.91)

 < 0.001

Preoperative Dorr

0.79

(0.56

–1.00)

 < 0.001

Femoral offset

 Preoperative

0.96

(0.90

–0.98)

 < 0.001

 Postoperative

0.84

(0.59

–0.94)

 < 0.001

Limb length discrepancy (LLD)

 Preoperative

0.69

(0.37

–0.86)

 < 0.001

 Postoperative

0.69

(0.37

–0.86)

 < 0.001

Postoperative subsidence ≥ 3 mm

0.69

(0.37

–0.86)

 < 0.001

Postoperative alignment

1.00

(1.00

–1.00)

 < 0.001

Postoperative canal fill ratio (CFR)

 2 cm above the lesser trochanter

0.61

(0.14

–0.84)

 < 0.001

 at the level of the lesser trochanter

0.72

(0.42

–0.88)

 < 0.001

 7 cm below the lesser trochanter

0.73

(0.44

–0.88)

 < 0.001