Fig. 1

Occupancy rates of preparation errors, and incidents more than Level 0, 1, and 2 in three categories. The number in parenthesis indicates the total number of errors of three categories (drug count errors, drug strength errors, drug name errors). Occupancy rate indicates the percentage of the number of each category to the total number. The occupancy rates at the respective stages from “preparation errors” to “incidents more than Level 2” are indicated according to three categories