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Table 3 Changes in quantity and quality of ADR reports

From: Educational intervention to improve physician reporting of adverse drug reactions (ADRs) in a primary care setting in complementary and alternative medicine

  Before educational intervention After educational intervention
  n % n %
ADR 116 100.0 288 100.0
ICH classification ( P = 0.566)     
Serious 8 6.9 14 4.9
Non-serious 108 93.1 274 95.1
WHO-ART classification ( P = 0.015*)     
Grade 1 = mild 50 43.1 107 37.2
Grade 2 = moderate 46 39.7 157 54.5
Grade 3 = severe 18 15.5 22 7.6
Grade 4 = life threatening 2 1.7 2 0.7
Causality ( P < 0.001*)     
Certain 64 55.2 51 17.7
Probable/likely 24 20.7 98 34.0
Possible 19 16.4 128 44.4
Unlikely 4 3.4 5 1.7
Conditional/unclassified 0 0.0 0 0.0
Unassessable/unclassifiable 5 4.3 6 2.1
  1. *Significant (chi-square test)