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Table 3 Respirable dust exposure and lung functions among textile workers

From: Assessment of respiratory dust exposure and lung functions among workers in textile mill (Thamine), Myanmar: a cross-sectional study

Variables Frequency (%)
Respirable dust exposure
 Acceptable (≤ 3 mg/m3) 102 (49.3)
 Increased (>  3 mg/m3) 105 (50.7)
 Mean ± SD (3.3 ± 0.7), Minimum 2.4, Maximum 4.1
Lung functions
 Normal 124 (59.9)
 Reduced 83 (40.1)
  Restrictive 75 (90.4)
  Obstructive 8 (9.6)
 FVC (% prediction)
  Normal (≥ 80%) 131 (63.3)
  Reduced (<  80%) 76 (36.7)
  Mean ± SD (82.8 ± 17.8), Minimum 26, Maximum 134
 FEV1 (% prediction)
  Normal (≥ 80%) 136 (65.7)
  Reduced (<  80%) 71 (34.3)
  Mean ± SD (83.6 ± 18.5), Minimum 22, Maximum 149  
 FEV1/FVC  
  Normal (≥ 0.7) 199 (96.1)
  Reduced (<  0.7) 9 (3.9)
  Mean ± SD (0.9 ± 0.1), Minimum 0.6, Maximum 1.0