Mustard Gass Keratitis  
No Rule out MGK Mild MGK Moderate MGK Severe MGK  
N % N % N % N % N % P value
Tearing No 7 4.6% 1 2.4% 0 0.0% 1 5.0% 1 5.3% 0.433
Yes 144 95.4% 40 97.6% 72 100.0% 19 95.0% 18 94.7%
Itching No 8 5.3% 2 4.9% 1 1.4% 1 5.0% 0 0.0% 0.576
Yes 143 94.7% 39 95.1% 71 98.6% 19 95.0% 19 100.0%
Red Eye No 9 6.0% 2 4.9% 1 1.4% 2 10.0% 0 0.0% 0.335
Yes 142 94.0% 39 95.1% 71 98.6% 18 90.0% 19 100.0%
Blurred Vision No 28 18.5% 7 17.1% 9 12.5% 3 15.0% 1 5.3% 0.544
Yes 123 81.5% 34 82.9% 63 87.5% 17 85.0% 18 94.7%
Vision loss No 96 63.6% 26 63.4% 45 62.5% 13 65.0% 10 52.6% 0.920
Yes 55 36.4% 15 36.6% 27 37.5% 7 35.0% 9 47.4%
  * P value calculated Base on Chi Square test  
Table 3: The variables relationship with ocular injuries
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