Table 2 Demographic characteristics of the study population by center and sex: Number (%) by center, mean age (standard deviation) and age range

Male

N (%)

19 (43.2)

22 (31.4)

37 (34.6)

42 (46.7)

120 (38.6)

(s. d.)

56.8 (10.8)

41.4 (13.9)

51.3 (13.7)

43.1 (15.4)

47.5 (14.9)

Range

(35–70)

(20–67)

(28–77)

(21–69)

(20–77)

Female

N (%)

25 (56.8)

48 (68.6)

70 (65.4)

48 (53.3)

191 (61.4)

(s. d.)

53.7 (11.9)

41.0 (14.5)

48.3 (13.7)

42.6 (14.7)

45.7 (14.5)

Range

(28–69)

(21–68)

(21–76)

(21–69)

(21–76)

Total

N (%)

44 (14.2)

70 (22.5)

107 (34.4)

90 (28.9)

311 (100.0)

(s. d.)

55.0 (11.4)

41.1 (14.2)

49.3 (13.7)

42.8 (15.0)

46.4 (14.7)

Range

(28–70)

(20–68)

(21–77)

(21–69)

(20–77)