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Table 6 Associations of preoperative radiographic severity of arthritis with pain after THA

From: Risk factors for pain after total hip arthroplasty: a systematic review

First author

Year

Study design

n

Radiographic grade (% patients)

Follow-up

Outcome measures

Associations of higher-grade osteoarthritis with postoperative pain

Tilbury [18]

2016

PC

302

mK-L grade: 1 or 2 (26) mild, 3 or 4 (74)

1 yr

HOOS, OHS, SF-36

Greater pain improvement

Dowsey [15]

2016

CC

382

mK-L grade: 2 (1.4), 3a (6.8), 3b (33), 4a (25), 4b (35)

1 and 2 yr

HHS

Greater odds of pain improvement

Nilsdotter [56]

2001

PC

162

OARSI grade: 3 (70), 2 (29), 1 (1)

1 yr

WOMAC, SF-36

No association

Meding [57]

2000

PC

1163

-independent scale

32 (6–93) moa

HHS

Less pain

  1. CC Case–control, HHS Harris Hip Score, HOOS Hip Disability and Osteoarthritis Outcome Score, mK-L modified Kellgren and Lawrence grade, OARSI Osteoarthritis Research Society International, OHS Oxford Hip Score, PC Prospective cohort, SF-36 36-Item Short-Form Health Survey, WOMAC Western Ontario and McMaster Universities Arthritis Index
  2. aExpressed as mean (range)