The Immediate Pulmonary Disease Pattern following Exposure to High Concentrations of Chlorine Gas

Table 4

Mean and standard deviation of pulmonary function parameters, hematological and biochemical findings, and oxygen saturation.

Variable	𝑁	Mean ± S.D.
Pulmonary function tests; (done within one week):
Measured FVC	10	2.51 ± 0.39 mL
Measured FEV1	10	1.84 ± 0.36 mL
FVC% predicted	10	57.2 ± 11.6%
FEV1% predicted	10	53.4 ± 13.4%
FEV1/FVC ratio	10	0.76 ± 0.09
LLN FVC	10	3.72 ± 0.68 mL
LLN FEV1	10	2.97 ± 0.57 mL
LLN FEV1/FVC ratio	10	0.70 ± 0.04
Hematological and biochemical findings (done within first 24 hours):
Total WBC count	10	13.9 ± 3.2 × 10^3 cells/µL
Neutrophil count	6	79.7 ± 4.8%
Blood pH	9	7.32 ± 0.08
Blood CO2	9	47.42 ± 9.02 mm Hg
Blood HCO3	7	54 ± 79.86 mEq/L
Oxygen saturation; (done in emergency department):
Overall	10	81.1 ± 18.1%
With pulmonary edema	7	77.9 ± 21.2%
Without pulmonary edema	3	88.7 ± 3.8%