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Table 1 Baseline, perioperative, and demographic characteristics of the patients

From: Preoperative sleep quality affects postoperative pain and function after total joint arthroplasty: a prospective cohort study

Variable

TKA (N = 471)

THA (N = 523)

Demographic characteristics

 Age (years)

64.28 ± 9.68

54.85 ± 13.20

 Male [no.[%] of patients]

114 (24.2%)

289 (55.2%)

 Height (m)

1.57 ± 0.07

1.61 ± 0.08

 Weight (kg)

63.90 ± 10.19

62.71 ± 12.01

 BMI (kg/m2)

25.81 ± 3.57

24.10 ± 3.97

Operated side [no.[%] of patients]

 Right

221 (46.9%)

244 (46.6%)

 Left

250 (53.1%)

279 (53.4%)

Comorbidities [no.[%] of patients]

 Obstructive sleep apnea

109 (23.1%)

123 (23.5%)

 COPD

56 (11.8%)

65 (12.4%)

 Hypertension

127 (26.9%)

132 (25.2%)

 Diabetes mellitus

75 (15.9%)

87 (16.6%)

Preop. pain and function

 ROM, °

92.15 ± 13.60

89.29 ± 15.71

 VAS-night

3.84 ± 1.41

3.20 ± 1.50

 VAS-ambulation

6.37 ± 1.73

5.33 ± 1.02

 HHS (points)

53.07 ± 13.33

 KSS (points)

52.98 ± 13.14

 

Sleep parameters

 PSQI

10.27 ± 3.77

10.11 ± 3.56

 ESS

7.70 ± 2.31

7.36 ± 2.41

 Sleep quality

7.86 ± 1.39

8.19 ± 3.72

  1. TKA total knee arthroplasty, THA total hip arthroplasty, BMI body mass index, COPD chronic obstruct pulmonary disease, ROM range of motion, VAS visual analog scale, HHS Harris hip score, KSS knee society score, PSQI the Pittsburgh Sleep Quality Index, ESS Epworth Sleepiness Scale