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Table 1 Demographic data of the patients receiving unilateral TKA

From: Benefits of early ambulation within 24 h after total knee arthroplasty: a multicenter retrospective cohort study in China

Item

Group A (n = 2687)

Group B (n = 3761)

P value

Age [year, M (Q1, Q3)]

67 (61, 72)

67 (61, 73)

0.456

Gender [n(%)]

  

0.412

 Male

582 (21.66)

847 (22.52)

 

 Female

2105 (78.34)

2914 (77.48)

 

BMI [kg/m2, M (Q1, Q3)]

24.98 (22.60, 27.89)

25.39 (23.01, 27.78)

0.091

Hypertension [n(%)]

646 (24.04)

907 (24.12)

0.945

Diabetes [n(%)]

187 (6.96)

297 (7.90)

0.159

CHD [n(%)]

91 (3.38)

148 (3.94)

0.250

ASA class [n(%)]

  

0.281

 1

860 (32.01)

1232 (32.76)

 

 2

1606 (59.77)

2175 (57.83)

 

 3

215 (8.00)

343 (9.12)

 

 4

6 (0.22)

11 (0.29)

 

Anesthesia [n(%)]

  

0.451

 General anesthesia

1762 (65.57)

2418 (64.29)

 

 Spinal anesthesia

175 (6.51)

272 (7.23)

 

 Epidural anesthesia

117 (4.35)

150 (3.99)

 

 CSEA

633 (23.56)

921 (24.49)

 

Drainage [n(%)]

1852 (68.92)

2549 (67.77)

0.328

Tourniquet [n(%)]

2045 (76.11)

2798 (74.40)

0.117

Anticoagulation [n(%)]

  

0.283

 Enoxaparin

1256 (46.74)

1431 (38.05)

 

 Rivaroxaban

1809 (67.32)

1952 (51.90)

 

ROM (°, Mean ± SD)

84.88 ± 15.15

85.08 ± 14.88

0.592

  1. TKA. Total knee arthroplasty; BMI. Body mass index; CHD. Coronary heart disease; ASA. American Society of Anesthesiologists; CSEA. Combined spinal epidural anesthesia; ROM. Range of motion; Group A. Early ambulation group; Group B. Late ambulation group