One survey of clinical use of Viagra in Taiwan found that it helps more than 70 % of ED sufferers recover their sexual vitality, even though more than 50 % of ED sufferers also suffer from chronic illnesses such as diabetes and hypertension.
一項台灣的臨床使用調查顯示，雖然 5 成以上勃起功能障礙患者合併有糖尿病、高血壓等慢性疾病，但在威而鋼協助下，高達 7 成以上的患者，能成功的再創性愛第二春。