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Table 1 Baseline, clinical and radiographic data of study participants

From: Musculoskeletal ultrasound in symptomatic thumb-base osteoarthritis: clinical, functional, radiological and muscle strength associations

Population, n 93
Age, mean (S.D.); years 67.04 ± 6.95
Female, n (%) 73 (78.5%)
BMI, mean (S.D.); kg/m2 29.35 ± 6.73
Disease duration, mean (S.D.), years 3.06 ± 1.10
VAS pain, mean (S.D.) 61.61 ± 14.37
Pinch Strength, mean (S.D.), Kg-F 3.21 ± 1.16
Grip Strength, mean (S.D.), Kg-F 20.06 ± 8.16
FIHOA, mean (S.D.) 11.33 ± 3.91
Kellgren and Lawrence grade, n (%)
 0 0
 I 0
 II 27 (29.0)
 III 48 (51.6)
 IV 18 (19.4)
OARSI osteophyte, n (%)
 0 6 (6.5)
 I 37 (39.8)
 II 21 (22.6)
 III 29 (31.2)
OARSI JSN, n (%)
 0 13 (14.0)
 I 28 (30.1)
 II 33 (35.5)
 III 19 (20.4)
Eaton grade, n (%)
 0 2 (2.2)
 I 22 (23.7)
 II 18 (19.4)
 III 47 (50.5)
Radiographic erosion on X-rays, n (%) 2 (2.2)
  1. BMI Body mass index, FIHOA Functional index for hand osteoarthritis, JSN Joint space narrowing, OARSI Osteoarthritis research society international, VAS Visual analogue scale