Table 1 Patient demographics and baseline characteristics
Placebo | ER guaifenesin | Overall | |
|---|---|---|---|
(n = 190) | (n = 188) | (N = 378) | |
Mean age, years ± SD | 40.8 ± 15.04 | 41.1 ± 13.91 | 41.0 ± 14.47 |
Age range, years | 13 – 83 | 18 – 85 | 13 – 85 |
Sex, male % | 55.8 | 48.9 | 52.4 |
Sex, female % | 44.2 | 51.1 | 47.6 |
Race, White % | 61.1 | 60.6 | 60.8 |
Black % | 33.2 | 36.7 | 34.9 |
Asian % | 4.2 | 1.6 | 2.9 |
American Indian or Alaska Native % | 1.6 | 0.5 | 1.1 |
Other % | 0 | 0.5 | 0.3 |
Ethnicity, Hispanic or Latino % | 5.3 | 7.4 | 6.3 |
Not Hispanic or Latino % | 94.7 | 92.6 | 93.7 |
Onset day of cold symptoms before study entry | |||
−8 days % | 0.5 | 0 | 0.3 |
−6 days % | 0.5 | 0 | 0.3 |
−5 days % | 3.7 | 5.3 | 4.5 |
−4 days % | 26.8 | 19.7 | 23.3 |
−3 days % | 39.5 | 38.3 | 38.9 |
−2 days % | 21.1 | 32.4 | 26.7 |
−1 days % | 7.4 | 4.3 | 5.8 |
0 days % | 0.5 | 0 | 0.3 |
Onset day of productive cough before study entry | |||
−7 days % | 0.5 | 0 | 0.3 |
−5 days % | 0 | 0.5 | 0.3 |
−4 days % | 2.6 | 1.1 | 1.9 |
−3 days % | 14.7 | 10.1 | 12.4 |
−2 days % | 46.3 | 50.5 | 48.4 |
−1 days % | 31.1 | 34.0 | 32.5 |
0 days % | 4.7 | 3.7 | 4.2 |
Diagnosis before study entry | |||
Acute nasopharyngitis/rhinopharyngitis % | 81.6 | 83.0 | 82.3 |
Acute bronchitis % | 10.0 | 6.9 | 8.5 |
Acute sinusitis % | 4.7 | 6.9 | 5.8 |
Acute pharyngitis % | 2.6 | 2.1 | 2.4 |
Acute laryngitis % | 0.5 | 0.5 | 0.5 |
Other % | 0.5 | 0.5 | 0.5 |