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Table 1 Indices of asthma control (per patient in the preceding 1 year) in ETS exposed and unexposed asthmatic patients

From: Pulmonary effects of passive smoking: the Indian experience

  Group 1 (n = 100) Group 2 (n = 100)
Emergency department visits 0.6 0.82*
Hospitalization 0.33 0.34
Acute episodes 0.6 1.32*
Parenteral bronchodilators (no.) 6.0 8.6*
Absence from work (weeks) 3.0 3.6*
Steroid requirement (weeks) 8.6 11.3*
Bronchodilators requirement (weeks) 36.3 38.3
  1. * p < 0.01; Group 1 = Not exposed to ETS; Group 2 = Exposed to ETS (Reproduced with permission from reference 33).