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Table 6 Sensitivity and specificity to identify exercise-induced bronchoconstriction (EIB) in relation to the asthma severity score.

From: Comparison of mannitol and methacholine to predict exercise-induced bronchoconstriction and a clinical diagnosis of asthma

   NAEPPII
   Visit 1 Visit 5
Asthma Severity Score   0 1 2 3 0 1 2 3
  N mann = 0 308 47 17 13 294 48 15
  N mech = 0 310 48 17 14 296 48 15
Mannitol Sensitivity   56.6 75.0 60.0 50.0 55.1 78.3 66.7
635 mg Specificity   69.2 48.4 42.9 72.7 67.7 56.0 16.7
Methacholine Sensitivity   54.7 62.5 50.0 0.0 56.3 56.5 44.4
16 mg/ml Specificity   72.8 46.8 71.4 66.7 70.8 56.0 66.7