Research Article
Two Years versus One Year of Tianjiu Therapy in Sanfu Days for Chronic Asthma: A Clinical Efficacy Observation Trial
Table 3
The frequency of bronchodilator used during asthma attack—
(%).
| | Variable | Time | | 1st_pre | 1st_post | 2nd_pre | 2nd_post |
| | More than twice per day | 23 (22.5) | 17 (16.7) | 11 (10.8) | 10 (9.8) | | Once to twice per day | 35 (34.3) | 26 (25.5) | 24 (23.5) | 15 (14.7) | | 2-3 times per week | 3 (2.9) | 4 (3.9) | 6 (5.9) | 8 (7.8) | | Less than once per week | 15 (14.7) | 17 (16.7) | 17 (16.7) | 15 (14.7) | | Never | 26 (25.2) | 38 (37.3) | 44 (43.1) | 54 (52.9) |
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Time main effect: Wald , .
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