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Table 3 Radiographic parameters between the pain group and the no-pain group

From: Malalignment and distal contact of short tapered stems could be associated with postoperative thigh pain in primary total hip arthroplasty

Variable

Thigh pain group

No thigh pain group

p value

Preoperative parameters

 FFI (a/b)

3.38

3.32

.525

  a

3.95

4.00

.575

  b

1.21

1.25

.286

 FCI ((c − d)/c)

0.51

0.52

.412

  c

2.53

2.61

.111

  d

1.22

1.25

.497

Postoperative parameters

 S-ICDR (e/f)

0.80

0.82

.148

  e

1.08

1.15

.091

  f

1.39

1.41

.926

 S-ICDR (g/h)

0.84

0.82

.069

  g

1.76

1.80

.306

  h

2.11

2.20

.088

CSA (°)

2.52

1.65

.001

SSA (°)

4.63

3.96

.016

FSS (cm)

0.29

0.12

.000

VCSA (°)

1.32

0.85

.004

  1. FFI femoral flare index, FCI femoral cortical index, S-ICDR stem-intramedullary canal diameter ratio, CSA coronal stem angulation, SSA sagittal stem angulation, FSS femoral stem subsidence from the first to last follow-up visits, VCSA variation in coronal stem angulation from the first to last follow-up visits