Table 4

Change of Symptoms after taking either the TCM preparation or placebo in the studied patients


Study Group





TCM group (N = 41)
Placebo group (N = 40)










Symptom
Difference between D4 and D1
Difference between D7 and D4
Difference between D7 and D1
Difference between D4 and D1
Difference between D7 and D4
Difference between D7 and D1
P value1 (D4–D1)
P value1 (D7–D4)
P value1 (D4–D1)
P value2(trend difference)

Day Cough
-0.17
-0.49
-0.66
-0.05
-0.70
-0.75
0.665
0.279
0.734
0.559
Night Cough
-0.34
-0.39
-0.73
-0.05
-0.78
-0.83
0.384
0.102
0.796
0.234
Sputum
-0.10
-0.41
-0.51
0.13
-0.20
-0.08
0.385
0.374
0.142
0.258
Nasal Congestion
-0.71
-0.27
-0.98
-0.80
-0.40
-1.20
0.749
0.541
0.502
0.763
Running Nose
-0.73
-0.24
-0.98
-0.73
-0.35
-1.08
0.982
0.664
0.730
0.911
Sneezing
-0.63
-0.10
-0.73
-0.63
-0.40
-1.02
0.973
0.178
0.273
0.399
Hoarseness
-0.76
-0.27
-1.02
-0.53
-0.55
-1.08
0.433
0.233
0.862
0.549
Sore Throat
-0.73
-0.49
-1.22
-0.63
-0.78
-1.40
0.738
0.286
0.523
0.605
Muscle Pain
-0.90
-0.07
-0.98
-0.70
0.00
-0.70
0.425
0.640
0.286
0.564
Chest Pain
-0.24
-0.15
-0.39
-0.40
-0.08
-0.48
0.461
0.444
0.662
0.672
Headache
-0.93
-0.20
-1.12
-0.85
-0.05
-0.90
0.783
0.503
0.468
0.718
Total Symptom Score
-6.24
-3.07
-0.92
-5.23
-4.28
-9.50
0.590
0.355
0.924
0.633

1by independent student t-test; 2by repeated measure ANOVA;* P < 0.05

WCW et al. Cough 2006 2:5   doi:10.1186/1745-9974-2-5