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Table 4 General and clinical characteristics of patients after the establishment of regional rheumatoid and degenerative arthritis centers and comparisons between the home discharge and rehabilitation groups

From: Establishment of a qualified integrated care system after total knee arthroplasty as a role of regional rheumatoid and degenerative arthritis centers

Variables TKA + Rehab TKA only p value
Numbers 402 (59.2) 277 (40.8)  
Age 72.1 ± 5.9 72.2 ± 5.6 0.33
 ≤ 59 7 (1.7) 4 (2.5) 0.436
60–69 121 (30.1) 62 (38.5)  
70–79 235 (58.5) 85 (52.8)  
 ≥ 80 39 (9.7) 10 (6.2)  
Elderly (≥ 65) 366 (91.0) 256 (92.4) 0.575
Old-elderly (≥ 70) 278 (68.3) 293 (66.9) 0.713
Very elderly (≥ 80) 39 (9.7) 20 (7.2) 0.271
Sex 343 (85.3) 241 (87.0) 0.575
Op site (Right) 173 (43.0) 115 (41.5) 0.752
BMI 26.0 ± 3.4 26.4 ± 3.5 0.204
Weight 61.9 ± 9.7 62.4 ± 9.8 0.441
Obesity 227 (56.5) 177 (63.9) 0.601
LOS 16.5 ± 2.7 16.5 ± 2.1 0.908
VAS 5.8 ± 0.4 5.8 ± 0.5 0.294
K-L grade
 3/4 110 (27.0)/297 (73.0) 112 (25.6)/326 (74.4) 0.64
Underlying diseases
 HTN 266 (66.2) 177 (63.9) 0.566
 DM 82 (20.4) 28 (20.9) 1
  1. Values are the mean ± standard deviation or numbers (%)
  2. Op operation, BMI body mass index, LOS length of stay, VAS visual analogue scale, K-L Kellgrene-Lawrence, HTN hypertension, DM diabetes mellitus
  3. * p < 0.05
  4. ** p < 0.01