Figure 5
From: An observational study of the discrediting of COX-2 NSAIDs in Australia: Vioxx or class effect?
COX-2 use in the next 100 days after first COX-2 switch. a One or more rofecoxib prescriptions dispensed in 12 months before rofecoxib withdrawal (30 September 2003 to 30 September 2004). b First medicine switch within 100 days of rofecoxib withdrawal. c Nine or more rofecoxib prescriptions dispensed in 12 months before rofecoxib withdrawal. d Eight or less rofecoxib prescriptions dispensed in 12 months before rofecoxib withdrawal. e Two or more COX-2 prescriptions dispensed in 100 days from first COX-2 prescription after rofecoxib withdrawal.