Table III.

Asthma symptom scores of the treatment and control groups.

	Baseline		Year 1		Year 2		Year 3
Variable	Day	Night	Day	Night	Day	Night	Day	Night
Treatment group	2.8±0.7	1.8±0.4	2.0±0.7	1.1±0.4	1.1±0.7	0.8±0.3	0.7±0.5	0.4±0.3
Control group	2.8±0.5	1.9±0.4	2.5±0.6	1.5±0.3	1.6±0.6	1.2±0.3	1.0±0.5	0.7±0.3
t-value	0.094	1.139	1.945	1.805	2.064	2.027	2.206	2.365
P-value	0.925	0.259	0.013	0.024	0.012	0.011	0.009	0.007