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Table 2 The number and rate of ADRs reporting in two periods

From: Multifaceted interventions for improving spontaneous reporting of adverse drug reactions in a general hospital in China

  Period1 Period2 p value
Total ADRs reporting number 557 832 0.0086
Monthly average of total ADRs reporting number 8.44 12.61  
Serious ADRs reporting number 21 258 <0.0001
Monthly average of serious ADRs reporting number 0.32 3.91  
Total ADRs reporting rate 0.0128% 0.011426% 0.8023
Serious ADRs reporting rate 0.0005% 0.003543% <0.0001