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Table 1 Patient demographic parameters

From: A comparative study of total knee arthroplasty outcome for stiff knee with or without sequential antirheumatic drug treatment

Parameters Drug treatment
(N = 16, 27 knees)
No drug treatment
(N = 11, 17 knees)
p value
 Agea, year 39.56 ± 11.74 38.64±9.21 0.828
 Gender
  Male, no. (%) 8 (50%) 7(63.63%) 0.696
  Female, no.(%) 8 (50%) 4(36.36%)  
 Heighta, cm 163.94 ± 12.15 162.82±8.32 0.793
 Weighta, kg 62.29 ± 15.61 54.00±8.34 0.121
 BMIa, kg/m2 22.97 ± 4.15 20.44±3.25 0.102
 Diagnosis    1.000
  Rheumatoid arthritis 9 7  
  Ankylosing spondylitis 7 4  
 Knee
  Left knee 13 10 0.548
  Right knee 14 7  
 Bilateral TKAs 11 6  
 Unilateral TKA 5 5  
 Inpatient daysb, days 13.5 (6–29) 12 (7–28) 0.568
 Follow-upb, months 46.5 (35–69) 58 (34–69) 0.138
 Crutch, no. (%)
  With crutch 7 (43.75%) 2 (18.18%) 0.231
  Without crutch 9 (56.25%) 9 (81.82%)  
 Revision knee, no. (%) 2 (2/44, 2.27%) 0 1.000
  1. BMI body mass index
  2. aThe values are given as the mean and the standard deviation
  3. bThe values are given as the median, with the range in parentheses