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Table 6 Adverse event categories and incidence (number with percentage in parentheses)

From: Attitudes and compliance with the WHO surgical safety checklist: a survey among surgeons and operating room staff in 138 hospitals in China

  Site A Site B Site C Site D Site E Overall
Number of surgical checklists observed 200 60 200 200 200 860
Missing instrumentation leading to intraoperative delay 5(2.5%) 1(1.7%) 2(1%) 48(29%) 11(5.5%) 67 (7.8%)
Missing medication before incision \ \ 16(8%) \ 14(7%) 30(3.4%)
Broken instruments 2(1%) \ \ 4(2%) 1(0.5%) 7(0.8%)
Contaminated instruments 4(2%) 1(1.7%) 3(1.5%) \ 2(1%) 10 (1.2%)
Others (difficulty in achieving central venous access) \ \ 2(1%) \ \ 2 (0.2%)
Total 11(1.1%) 2 (0.7%) 23 (2.3%) 52 (5.2%) 28 (2.8%) 116 (2.7%)