Table 1 Distribution of risk factors

From: Comparison of international index of erectile function with nocturnal penile tumescence and rigidity testing in evaluation of erectile dysfunction

Risk factors Group I (6–10) Group II (11–16) Group III (17–25) Group IV (26–30) P-value
Dyslipidemia 18.8% 33.3% 17.1% 16.7% >0.05
ASHD 12.5% 9.5% 9.8% 0 >0.05
Diabetes mellitus 31.3% 47.6% 36.6% 33.3% >0.05
Hypertension 18.8% 14.3% 34.1% 8.3% >0.05
Smoking 68.8% 71.4% 63.4% 50% >0.05
Age (years) 47 49 47 44 >0.05