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Table 1 Personal factors and disease variables in 180 patients referred to surgical consultation due to carpometacarpal osteoarthritis

From: Non-pharmacological treatment gap preceding surgical consultation in thumb carpometacarpal osteoarthritis - a cross-sectional study

  Total (n = 180) St. Olav’s Hospital (n = 81) Haukeland University Hospital (n = 74) Haugesund Rheumatism Hospital (n = 25) P value
Age, years, mean (SD) 63.0 (7.6) 62.4 (7.6) 63.4 (7.3) 64.0 (8.7) .61
Women, n (%) 142 (79) 71 (88) 53 (72) 18 (72) .03
Living alone, n (%) 35 (19) 20 (25) 14 (19) 1 (4) .07
Employed, n (%) 91 (51) 42 (52) 37 (50) 12 (48) .94
Education more than 12 years, n (%) 63 (35) 29 (36) 26 (35) 8 (32) .94
Hand dominance, right, n (%) 168 (93) 74 (91) 70 (95) 24 (96) .61
Comorbidities, yes, n (%) 117 (65) 50 (62) 52 (70) 15 (60) .46
Symptom duration, years, median (IQR) 5 (2,10) 5 (3,13) 4 (2,10) 2 (1,7) .51
Previous hand surgery, yes, n (%) 36 (21) 11 (14) 20 (27) 5 (29) .10
Referred for hand surgery
 in left hand, n (%) 53 (29) 27 (33) 21 (28) 5 (20)  
 in right hand, n (%) 48 (27) 19 (24) 23 (31) 6 (24)
 in both hands, n (%) 79 (44) 35 (43) 30 (41) 14 (56) .53
  1. Numbers are reported as median and interquartile range (IQR), number and proportion (%), or mean and standard deviation (SD)
  2. Differences between the three hospitals are analysed with the One-Way between groups ANOVA or Kruskal-Wallis test in continuous variables and Chi-square test in categorical variables, and reported with p-values