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Table 1 Characteristics of the included studies (n = 158)

From: A bibliometric analysis of published research employing musculoskeletal imaging modalities to evaluate foot osteoarthritis

Timespan, year

 

1980 to 2021

Annual percentage growth rate, %

 

9.6%

Oxford 2011 Levels of Evidence, n (%)

Level 2

8 (5.1%)

Level 3

58 (36.7%)

Level 4

92 (58.2%)

Imaging modality used, n (%)a

Plain radiography

140 (88.6%)

CT

24 (15.2%)

MRI

14 (8.9%)

USI

4 (2.5%)

Reason for imaging, n (%)

Outcome measure

113 (71.5%)

Participant recruitment

9 (5.7%)

Both

36 (22.8%)

Foot joint examined with imaging, n (%)b

First metatarsophalangeal joint

64 (40.5%)

Lesser metatarsophalangeal joints

9 (5.7%)

Interphalangeal joints

7 (4.4%)

Subtalar joint

50 (31.6%)

Midfoot joints

82 (51.9%)

Not specified

6 (3.8%)

  1. a24 studies used more than one imaging modality
  2. b39 studies assessed ≥ 2 ft joints