Real-life effectiveness of budesonide/formoterol maintenance and reliever therapy in asthma patients across Asia: SMARTASIA study

Table 5 Mean values of FEV ₁ at a regional level

Variable	Visit	Observed value						Change from visit 2 (baseline)						95% confidence interval
		N	Mean	SD	Min	Median	Max	N	Mean	SD	Min	Median	Max	Lower	Upper
FEV₁ (L)	2	862	1.964	0.759	0.40	1.830	5.06	-	-	-	-	-	-	-	-
	3	836	2.110	0.779	0.55	1.985	4.91	836	0.152	0.374	−2.35	0.120	2.01	0.127	0.178
	5	805	2.160	0.767	0.52	2.060	5.15	805	0.199	0.393	−2.32	0.160	2.31	0.172	0.227
	Mean of 3 and 5	840	2.131	0.761	0.54	2.028	4.66	840	0.173	0.353	−2.34	0.130	2.03	0.149	0.197

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