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Table 2. Mean systemic arterial pressure and the ICP/SAP ratio^*

	CA	CY	TA	TY	P ${dagger}$	P ${ddagger}$

Mean SAP	111 ± 3.5	100 ± 4.4	99 ± 3.1	95 ± 3.8	.001	.033
Maximal ICP/mean SAP	0.389	0.641	0.605	0.709	.001	.145

*CA indicates control aged; CY, control young; TA, treated aged; TY, treated young; SAP, systemic arterial pressure; and ICP, intracavernosal pressure.
${dagger}$ P represents comparison between CA and CY (Mann-Whitney U test), P < .05.
${ddagger}$ P represents comparison among CY, TA, and TY (1-way ANOVA), P < .05.