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

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%)