Skip to main content

Table 1 Patient demographics (n = 210)

From: Does psychological distress influence postoperative satisfaction and outcomes in patients undergoing total knee arthroplasty? A prospective cohort study

Measure

Distressed group

n = 89

Non-distressed group

n = 121

P value

Mean age, years (range)

64.7 ± 7.1 (47.0 to 79.0)

66.5 ± 8.4 (43.0 to 85.0)

0.111

Sex, n (%)

   

Female

82 (92.1%)

100 (82.6%)

0.046

Male

7 (7.9%)

21 (17.4%)

 

Median body mass index, kg/m2 (IQR)

27.2 (24.0 to 29.1)

26.1 (24.4 to 28.6)

0.328

Had family support, n (%)

84 (94.4%)

113 (93.4%)

0.768

Living in Beijing, n (%)

40 (44.9%)

51 (42.1%)

0.686

Median waiting days for operation, (IQR)

9.0 (6.0 to 18.5)

10.0 (5.0 to 22.0)

0.402

Charlson index, n (%)

   

0

0

2 (1.7%)

0.459

1

17 (19.1%)

16 (13.2%)

 

2

32 (36.0%)

47 (38.8%)

 

3

29 (32.6%)

38 (31.4%)

 

4

8 (9.0%)

15 (12.4%)

 

5

1 (1.1%)

3 (2.5%)

 

6

2 (2.2%)

0

 
  1. Abbreviation: IQR interquartile range