Table 1 Baseline patient characteristics

Number of patients

261

47

26

30

117

18

23

Age, years, mean (SD)

64.4 (14.2)

62.7 (15.8)

61.8 (16.8)

66.5 (11.2)

66.0 (12.7)

56.0 (19.7)

66.4 (11.9)

0.017

Male, number (%)

245 (93.9)

43 (91.5)

23 (88.5)

28 (93.3)

112 (96.6)

18 (100.0)

21 (91.3)

0.558

BMI, kg/m², mean (SD)

23.5 (3.4)

23.5 (3.4)

22.6 (3.2)

23.6 (3.0)

23.34 (3.23)

22.9 (3.6)

25.2 (4.4)

0.491

Comorbidity, number (%)

 -Diabetes

33 (12.6)

6 (12.8)

2 (7.7)

3 (10.0)

16 (13.7)

3 (16.7)

3 (13.0)

0.950

 -Hypertension

104 (39.8)

19 (40.4)

11 (42.3)

14 (46.7)

46 (39.3)

4 (22.2)

10 (43.5)

0.680

 -Chronic kidney disease

6 (2.3)

0 (0.0)

0 (0.0)

1 (3.3)

3 (2.6)

1 (5.6)

1 (4.3)

0.673

 -Cardiovascular disease

30 (11.5)

4 (8.5)

0 (0.0)

5 (16.7)

17 (14.5)

1 (5.6)

3 (13.0)

0.277

 -Chronic pulmonary disease

24 (9.2)

2 (4.3)

3 (11.5)

4 (13.3)

11 (9.4)

3 (16.7)

1 (4.3)

0.547

 -Chronic urinary problem

54 (20.7)

9 (19.1)

9 (34.6)

6 (20.0)

21 (17.9)

5 (27.8)

4 (17.4)

0.495

 -Weight lifting activities

17 (6.5)

3 (6.4)

3 (11.5)

1 (3.3)

5 (4.3)

1 (5.6)

4 (17.4)

0.218

 -Constipation

31 (11.9)

7 (14.9)

9 (34.6)

0 (0.0)

6 (5.1)

4 (22.2)

5 (21.7)

 < 0.001