tment function was better in treated patients who were less impaired at baseline. 7 EFTA00625105 Effect of VIAGRA on Maintenance of Erection by Baseline Score 80 70 • 60 • Fp 50 CI M 40 • "e3 20 aE 10 1 2 3 4 5 Baseline score Effect of Placebo on Maintenance of Erection by Baseline Score 80