Table 4 Symptom complaints of early and late patients
From: Acute Symptoms after a Community Hydrogen Fluoride Spill
|  | Early patients * | Late patients †| Total | p-value ‡ | |||
|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | Â | |
Cough | 27 | 15.3 | 791 | 46.1 | 818 | 43.3 | 0.000 |
Sore throat | 64 | 36.4 | 741 | 43.2 | 805 | 42.6 | 0.079 |
Headache | 47 | 26.7 | 745 | 43.5 | 792 | 41.9 | 0.000 |
Eye irritation | 35 | 19.9 | 536 | 31.3 | 571 | 30.2 | 0.002 |
Nausea | 25 | 14.2 | 327 | 19.1 | 352 | 18.6 | 0.114 |
Shortness of breath | 54 | 30.7 | 252 | 14.7 | 306 | 16.2 | 0.000 |
Dizziness | 9 | 5.1 | 260 | 15.2 | 269 | 14.2 | 0.000 |
Chest pain | 5 | 2.8 | 102 | 6.0 | 107 | 5.7 | 0.089 |
Skin burning | 5 | 2.8 | 77 | 4.5 | 82 | 4.3 | 0.306 |
Skin rash | 1 | 0.6 | 65 | 3.8 | 66 | 3.5 | 0.027 |
Vomiting | 2 | 1.1 | 45 | 2.6 | 47 | 2.5 | 0.227 |
Total | 176 | 100.0 | 1714 | 100.0 | 1890 | 100.0 | Â |