Table 1. Comparison of the usage of physically delayed condoms in the premature ejaculation and the control group.

Projects	Groups	Ordinary condom	Thickened condom	P value
Contraceptive safety	Premature ejaculation group	100/100	100/100	>0.5
	Control group	30/30	30/30	>0.5
Comfort	Premature ejaculation group	80/100	60/100	<0.05
	Control group	16/30	13/30	>0.5
Dorsal nerve conduction velocity of penis (m/s)	Premature ejaculation group	30.5±2.7	21.0±1.9	<0.05
	Control group	23.9±1.7	22.6±1.2	>0.5
Ejaculation latency	Premature ejaculation group (>3 min)	16/100	78/100	<0.05
	Control group (>5 min)	26/30	29/30	>0.5
Glans sensitivity (penile vibration threshold) (level)	Underside
	Premature ejaculation group	23±2.7	40±1.4	<0.05
	Control group	35±2.0	45±1.2	<0.05
	Left
	Premature ejaculation group	28±1.5	46±2.5	<0.05
	Control group	49±2.5	59±2.4	<0.05
	Right
	Premature ejaculation group	30±2.3	45±2.1	<0.05
	Control group	52±1.8	63±1.9	<0.05
	Upper side
	Premature ejaculation group	46±2.7	55±1.6	<0.05
	Control group	61±1.7	67±2.7	>0.05
	Total
	Premature ejaculation group	29±2.5	47±2.0	<0.05
	Control group	50±2.1	59±1.8	<0.05