No. of Risk Factors

Male

n = 270 (%)

Female

n = 231 (%)

Total

N = 501 (%)

p Value

No risk factors

Only one risk factor

≥2 risk factors

108 40.0

121 44.8

041 09.6

149 64.5

066 28.6

016 05.2

257 51.3

187 37.3

057 11.4

<0.001^*