Table 3.

ED severity according to the presence of OSA

Variable	No OSA (RDI < 5)	OSA (RDI ≥ 5)	All patients	P value
No ED	42 (44.68%)	135 (33.09%)	177 (35.26%)
ED†	52 (55.32%)	273 (66.91%)	325 (64.74%)	.042∗
Mild ED‡	39 (41.49%)	207 (50.74%)	246 (49.00%)	.106NS
Moderate ED‡	6 (6.38%)	40 (9.8%)	46 (9.16%)	.3NS
Severe ED‡	7 (7.45%)	26 (6.37%)	33 (6.57%)	.705NS
All patients§	94 (100%)	408 (100%)	502 (100%)	.07NS

ED = erectile dysfunction; NS = not significant; OSA = obstructive sleep apnea; RDI = respiratory disorder index.

Data are presented as frequency and %. No ED, international index of erectile function-5 ≥ 22; ED, international index of erectile function-5 < 22.

^∗P value < 0.05 or less.

^†Comparison between patients without and with OSA by the Fisher's exact test.

^‡Comparison between patients without and with ED by the Pearson chi-square test.

^§Comparison between patients without and with OSA by the Mann-Whitney U-test.