TABLE 3.

Days to discontinuation for all, experienced (Exp) and naive patients

Drug	12 months			18 months
	All	Exp	Naive	All	Exp	Naive
Formoterol	68±70	71±72	51±51	96±112	102±114	61±82
Form-Budes	74±70	78±72	54±54	96±105	102±108	64±81
Ipratropium	58±59	60±59	54±58	70±85	73±87	64±80
Iprat-Salbut	57±59	61±63	51±54	71±89	78±95	62±80
Salmeterol	76±70	76±71	66±66	103±112	104±111	97±122
Salmet-Flut	82±75	88±77	55±56	114±119	122±123	69±87
Tiotropium	96±78	97±79	79±71	145±133	150±135	103±108

Data presented as mean ± SD days. All Exp versus naive groups, P<0.00001. Form-Budes Formoterol and budesonide; Iprat-Salbut Ipratropium and salbu-tamol; Salmet-Flut Salmeterol and fluticasone