Table 2

 Percentage (number) of patients who withdrew (primary reasons)

Reason for discontinuationYear 1Year 2Year 3>3 years*Total
*Till the cut-off date (31 August 2001).
Any reason15 (82)10 (53)8 (43)1 (8)34 (186)
Adverse events5 (30)4 (20)3 (19)<1 (4)13 (73)
Unsatisfactory response5 (29)2 (11)3 (16)<1 (2)11 (58)
Other non-medical event1 (7)3 (14)<1 (1)<1 (1)4 (23)
Patient request1 (6)1 (6)<1 (3)<1 (1)3 (16)
Protocol violation2 (9)<1 (2)<1 (2)0 (0)2 (13)
Failed to return<1 (1)0 (0)<1 (2)0 (0)<1 (3)