Table 1 Patient demographic data

Number of patients

4,933

2,419

Gender

Male

1,431 (29%)

6,75 (28%)

Female

3,502 (71%)

1,744 (72%)

Mean age (years)

42.5 ± 14.8

64.2 ± 14.0

Age

 < 18

33 (0.7%)

0 (0%)

18–35

1,771 (35.9%)

87 (3.6%)

36–50

1,562 (31.7%)

300 (12.4%)

51–65

1,225 (24.8%)

831 (34.3%)

66–80

329 (6.7%)

926 (38.3%)

 > 80

13 (0.2%)

275 (11.4%)

CTR value

0.454 ± 0.043

0.569 ± 0.047