Table 1 Comparison of the correct rate of surgical hand disinfection before and after the implementation of six Sigma management
From: Implementation of six sigma management to standardize surgical hand disinfection practices
Personnel category | Before the intervention | After the intervention | χ2 | P | ||
|---|---|---|---|---|---|---|
Surgeon | Number of observations | 162 | 174 | 78.38 | 8.50 × 10− 19 | |
Accuracy | 33.33% (54) | 81.03% (141) | ||||
Defect frequency | Incomplete hand-washing steps | 48 | 14 | |||
Insufficient time to wash hands | 37 | 11 | ||||
Incorrect flushing method | 28 | 7 | ||||
Wrong way to dry your hands | 25 | 6 | ||||
Apply the disinfectant back and forth | 29 | 9 | ||||
Incomplete coverage of disinfectant | 26 | 8 | ||||
The disinfectant is not rubbed until it is dry. | 37 | 13 | ||||
Scrub nurse | Number of observations | 186 | 190 | |||
Accuracy | 50.54% (94) | 85.26% (162) | 52.16 | 5.12 × 10− 13 | ||
Defect frequency | Incomplete hand-washing steps | 37 | 9 | |||
Insufficient time to wash hands | 31 | 8 | ||||
Incorrect flushing method | 29 | 7 | ||||
Wrong way to dry your hands | 26 | 6 | ||||
Apply the disinfectant back and forth | 21 | 5 | ||||
Incomplete coverage of disinfectant | 22 | 4 | ||||
The disinfectant is not rubbed until it is dry. | 27 | 9 | ||||
Intern, trainee | Number of observations | 109 | 115 | 34.56 | 4.14 × 10− 9 | |
Accuracy | 44.95%(49) | 82.61%(95) | ||||
Defect frequency | Incomplete hand-washing steps | 29 | 7 | |||
Insufficient time to wash hands | 26 | 8 | ||||
Incorrect flushing method | 18 | 6 | ||||
Wrong way to dry your hands | 9 | 3 | ||||
Apply the disinfectant back and forth | 15 | 6 | ||||
Incomplete coverage of disinfectant | 11 | 5 | ||||
The disinfectant is not rubbed until it is dry. | 18 | 3 | ||||