Table 1 Demographic characteristics of the study population

Number of participants

94

124

110

Median age (range) in years

37.5 (17 to 73)

47.5 (17 to 84)

30 (11 to 61)

  P value

0.005

<0.001

Absolute (relative) count of females

44 (47%)

90 (73%)

62 (56%)

  P value

<0.001

0.2