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Table 1 Comparison between the general characteristics and symptoms according to distance from the accident site

From: Acute Symptoms in Firefighters who Participated in Collection Work after the Community Hydrogen Fluoride Spill Accident

  Less than 100 m (N = 140) 100 m-1 Km (N = 173) More than 1 Km (N = 35) p-value*
  N % N % N %  
Age (years)        0.000
< 30 21 58.3 14 38.9 1 2.8  
30 ~ 39 56 51.4 44 40.4 9 8.3  
40 ~ 49 45 32.4 79 56.8 15 10.8  
≥ 50 18 28.1 36 56.3 10 15.6  
Gender        0.031
Male 138 42.1 157 47.9 33 10.1  
Female 2 10.0 16 9.2 2 5.7  
Smoking        0.532
No smoker 100 42.2 112 47.3 25 10.5  
Current smoker 40 36.0 61 55.0 10 9.0  
Job        0.000
Firefighter 116 47.3 102 41.6 27 11.0  
Police officer 20 43.5 26 56.5 0 0.0  
Volunteer firefighter 4 11.8 23 67.6 7 20.6  
Special warfare reserved force 0 0.0 22 95.7 1 2.9  
Abnormal symptoms        
Throat 24 17.1 36 20.8 4 11.4 0.082
Nose 18 12.9 17 9.8 6 17.1 0.924
Eye§ 42 30.0 30 17.3 7 20.0 0.026
Lung 49 35.0 50 28.9 8 22.9 0.115
Skin** 15 10.7 20 11.6 3 8.6 0.886
Heart++ 0 0.0 0 0.0 0 0.0 -
Nerve‡‡ 15 10.7 14 8.1 1 2.9 0.141
Stomach‡‡‡ 4 2.9 5 2.9 1 2.9 0.993
  1. *Chi-square test for trend.
  2. Throat pain, change of voice, dry mouth.
  3. Rhinorrhea, nasal obstruction, nasal pain, nasal bleeding.
  4. §Ocular pain, red eye, blurred vision, lacrimination.
  5. Cough, sputum, chest discomfort, dyspnea.
  6. **Skin pruritus, skin rash, skin pain.
  7. ++Palpitation, left chest pain.
  8. ‡‡Fatigue, Headache, dizziness, arm/leg claudication, muscle weakness, inattention, muscle pain.
  9. ‡‡‡Vomiting, dyspepsia, nausea, diarrhea, abdominal pain.