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Comparison of baseline parameters in two study groups |
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| Study Group |
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| TCM group N = 41 Mean (sd) |
Placebo group N = 40 Mean (sd) |
P-value |
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| Symptoms (score range 0: none – 4: very severe) |
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| Day cough |
1.6 (0.8) |
1.5 (0.4) |
0.500 |
| Night cough |
1.7 (1.1) |
1.6 (1.0) |
0.635 |
| Sputum |
1.5 (1.2) |
1.2 (1.1) |
0.228 |
| Nasal congestion |
1.6 (1.2) |
1.2 (1.1) |
0.895 |
| Running nose |
1.7 (1.2) |
1.8 (1.4) |
0.679 |
| Sneezing |
1.1 (0.9) |
1.3 (1.3) |
0.541 |
| Hoarseness |
1.7 (1.0) |
1.6 (1.2) |
0.536 |
| Sore throat |
2 (1.1) |
2 (1.2) |
0.842 |
| Muscle pain |
1.4 (1.2) |
1.0 (1.1) |
0.064 |
| Chest pain |
0.6 (0.9) |
0.5 (0.8) |
0.752 |
| Headache |
1.5 (1.3) |
1.2 (1.4) |
0.232 |
| Total score (sum of above 11 symptoms: 0–44) |
16.6 (6.7) |
15.3 (7.0) |
0.383 |
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| QoLs (score range) |
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| Physical domain (8–56) |
4.7 (0.9) |
4.5 (0.9) |
0.278 |
| Psychological domain (7–49) |
4.9 (1.2) |
4.9 (1.1) |
0.955 |
| Social domain (4–28) |
4.8 (1.2) |
4.7 (1.2) |
0.636 |
| Total score (sum of above 3 domains: 3–21) |
14.4 (3.0) |
14.0 (2.9) |
0.616 |
WCW et al. Cough 2006 2:5 doi:10.1186/1745-9974-2-5 |
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