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Table 2 Spirometric values measured in the two groups and % of predicted values.

From: Short term exposure to cooking fumes and pulmonary function

Spirometric measure Group A Group B All
  Mean (SD) % of pred Mean (SD) % of pred Mean (SD) % of pred.
FVC, litres 5.2 (1.3) 105 4.6 (1.0) 101 4.9 (1.2) 103
FEV1, litres 4.0 (0.8) 95 3.9 (0.8) 102 4.0 (0.8) 99
FEV% 79.0 (8.8) n.a. 86.2 (3.6) n.a 82.6 (7.5) n.a.
PEF litres/min 570 (112) 103 550 (126) 106 560 (117) 104
FEF25 litres/sec. 7.0 (1.6) 88 7.7 (1.7) 104 7.4 (1.7) 96
FEF50 litres/sec 4.3 (0.8) 78 5.2 (1.1) 102 4.8 (1.0) 91
FEF75 litres/sec 1.9 (0.3) 73 2.2 (0.5) 92 2.1 (0.5) 84
FET seconds 5.1 (1.1) n.a. 3.9 (1.2) n.a. 4.5 (1.3) n.a.
  1. n.a. = not applicable