Table 2.

Patients with response by prior opioid compound

Prior opioid compound	OROS hydromorphone ER n/N (%)
Hydromorphone	6/8 (75.0)
Fentanyl	19/26 (73.1)
Tramadol	15/22 (68.2)
Hydrocodone	95/151 (62.9)
Morphine	42/73 (57.5)
Methadone	14/25 (56.0)
Oxycodone	68/123 (55.3)
Propoxyphene	4/8 (50.0)
Oxymorphone	3/7 (42.9)
Missing data	2/4 (50.0)

Abbreviations: ER, extended release; n, number; N, total number.