Table 2 Chief complaints of non-hospitalized patients with respect to the distance from the accident spot
From: Acute health effects of accidental chlorine gas exposure
Chief complaint | Within 100Â m | Beyond 100Â m | Total | p-value* | |||
|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | ||
 Headache | 20 | 27.4 | 26 | 20.0 | 46 | 22.7 | 0.227 |
 Eye irritation | 23 | 31.5 | 14 | 10.8 | 37 | 18.2 | <0.001 |
 Nausea | 10 | 13.7 | 13 | 10.0 | 23 | 11.3 | 0.425 |
 Sore throat | 10 | 13.7 | 12 | 9.2 | 22 | 10.8 | 0.326 |
 Chest pain | 10 | 13.7 | 9 | 6.9 | 19 | 9.4 | 0.112 |
 Dizziness | 7 | 9.6 | 5 | 3.8 | 12 | 5.9 | 0.096 |
 Cough | 1 | 1.4 | 9 | 6.9 | 10 | 4.9 | 0.079 |
 Other | 10 | 13.7 | 25 | 19.2 | 35 | 17.2 | 0.317 |
 No symptom | 19 | 26.0 | 55 | 42.3 | 74 | 36.5 | 0.021 |
Total | 73 | 100.0 | 130 | 100.0 | 203 | 100.0 | Â |