Acute Symptoms after a Community Hydrogen Fluoride Spill

Table 2 General characteristics of non-hospitalized patients

Characteristic	Number	%
Age(years)
0–9	109	5.8
10–19	80	4.2
20–29	338	17.9
30–39	575	30.4
40–49	400	21.2
50–59	253	13.4
≥60	135	7.1
Gender
Male	997	52.8
Female	893	47.2
First visit to the outpatient department
Occupational and environmental medicine	1528	80.8
Pediatrics	136	7.2
Internal medicine, Pulmonology	130	6.9
Emergency medicine	55	2.9
Ophthalmologic medicine	22	1.1
Otorhinolaryngology	11	0.6
Others	9	0.6
Exposure characteristics
Adjacent residents	205	11.2
Other residents	575	31.5
Workers	728	39.9
Firefighters	38	2.1
Police and public officials	66	3.6
Others	211	11.6
Location at the time of the accident
Indoor	922	80.4
Outdoor	219	19.1
Others	6	0.5
Time of first hospital visit
Within 3 days	176	9.3
After 4 days	1714	90.7
Distance from the place of the accident spot
Under 100 m	227	14.6
100 m-1 km	721	46.5
Over 1 km	603	38.9

ISSN: 2052-4374