Table 3.

Percentage (number) of patients with at least one unscheduled medical contact, with odds ratios

	% (No) in treatment group			Odds ratio (95% CI)
	Hydrofluoroalkane inhaler	Chlorofluorocarbon inhaler		Univariate model		Multivariate model*
Hospital admissions	2.3 (124)	3.1 (37)		0.75 (0.51 to 1.08)		0.84 (0.58 to 1.23)
Visits to accident and emergency departments	1.3 (68)	1.6 (19)		0.80 (0.48 to 1.34)		0.78 (0.47 to 1.31)
Unscheduled surgery visits	31.9 (1724)	32.7 (396)		0.97 (0.85 to 1.10)		1.01 (0.88 to 1.16)
Unscheduled home visits	4.8 (261)	5.2 (63)		0.93 (0.70 to 1.23)		1.05 (0.79 to 1.40)

^*Adjusted for effects of sex, age, ethnic origin, duration, and severity of disease.