Transdermal fentanyl for the treatment of pain caused by osteoarthritis of the knee or hip: an open, multicentre study

Table 1 Patient characteristics

	OA knee	OA hip
N (baseline)	102	57
ITT analysis population	91	52
Mean age (years) ± SE (range)	68 ± 0.9	66 ± 1.2
	(49–88)	(47–87)
Previous medication (% of patients):
Non-opioids	81	79
Weak opioids	50	40

ISSN: 1471-2474