Table 3
Classification criteria for published workplace violence stu­dies (duplicate aggregation)

Classification criteria	International	Korean	Total
Perpetrators	64 (32.3)	5 (27.8)	69 (31.9)
Type of violence	134 (67.7)	13 (72.2)	147 (68.1)
Total	198 (100)	18 (100)	216 (100)

Values are presented as number (%).