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Table 3 Primary and secondary outcomes at 1st, 2nd, 3rd, and 4th follow ups

From: Randomized trial of acupoints herbal patching in Sanfu Days for asthma in clinical remission stage

Variable 1st follow up 2nd follow up 3rd follow up 4th follow up
Acupoints herbal patching mean (SD) Placebo mean (SD) P Acupoints herbal patching mean (SD) Placebo mean (SD) P Acupoints herbal patching mean (SD) Placebo mean (SD) P Acupoints herbal patching mean (SD) Placebo mean (SD) P
Asthma-related symptoms—no. of days in 1 month preceding visit 4.73 ± 8.95 6.96 ± 10.91 0.11 7.71 ± 15.74 8.49 ± 10.97 0.70 6.86 ± 10.83 7.63 ± 10.06 0.67 8.55 ± 11.82 5.87 ± 9.79 0.19
Lung function
 FEV1 1.95 ± 0.77 1.99 ± 0.83 0.77 1.95 ± 1.02 2.03 ± 1.03 0.62 1.83 ± 0.73 1.95 ± 0.79 0.35 1.67 ± 0.65 1.89 ± 0.84 0.11
 FEV1: FVC × 100 86.59 ± 13.25 87.49 ± 11.90 0.61 86.35 ± 12.90 87.10 ± 11.49 0.69 86.45 ± 12.35 88.33 ± 12.94 0.39 84.42 ± 12.97 86.56 ± 12.34 0.37
Asthma-related health care use—no. (%)
 ≥1 admit to A&E 9 (9) 4 (4) 0.17 11 (12) 8 (9) 0.53 4 (5) 7 (11) 0.22 8 (13) 9 (17) 0.62
 ≥1 hospitalization 5 (5) 4 (4) 0.78 8 (9) 5 (7) 0.44 4 (5) 3 (5) 0.87 4 (7) 6 (11) 0.40
 ≥1 outpatient visit 24 (23) 29 (29) 0.34 29 (32) 30 (35) 0.71 21 (28) 21 (33) 0.53 24 (40) 27 (50) 0.28
 ≥1 prescription 64 (61) 68 (67) 0.34 56 (61) 64 (73) 0.09 45 (61) 44 (70) 0.27 42 (70) 42 (78) 0.35
 ≥1 by own medication 7 (7) 10 (10) 0.40 5 (5) 9 (10) 0.23 7 (10) 1 (2) 0.05 5 (8) 6 (11) 0.62
 ≥1 didn’t need treatment 16 (15) 6 (6) 0.03 9 (10) 7 (8) 0.67 5 (7) 0 (0) 0.04 10 (17) 6 (11) 0.43
The frequency of bronchodilator during asthma attack—no. (%)
 More than twice per day 22 (21) 19 (19) 0.41 26 (28) 20 (23) 0.08 13 (18) 14 (22) 0.05 14 (23) 12 (22) 0.58
 Once to twice per day 32 (31) 39 (39) 21 (23) 37 (42) 20 (27) 27 (43)   30 (50) 31 (57)  
 2–3 times per week 1 (1) 4 (4) 1 (1) 0 (0) 2 (3) 0 (0)   2 (3) 1 (2)  
 Less than once per week 13 (12) 10 (10) 8 (9) 5 (6) 8 (11) 1 (2)   2 (3) 4 (7)  
 Never 37 (35) 29 (29) 36 (39) 26 (30) 31 (42) 21 (33)   12 (20) 6 (11)  
 Symptoms which frequently appeared in asthma patients—no. of symptoms 2.75 ± 2.32 2.41 ± 2.01 0.26 2.18 ± 2.10 2.18 ± 1.99 0.99 2.36 ± 2.41 2.48 ± 2.63 0.80 3.87 ± 3.36 4.94 ± 4.30 0.14