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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