From: The impact of face shields on the quality of gastrointestinal endoscopy during the COVID-19 pandemic
 | Face shield | Non-face shield | P value |
---|---|---|---|
Endoscopist 1 | |||
 Procedure time, min | 18.65 ± 9.44 | 18.05 ± 10.24 | 0.750 |
 Complete resection rate, % | 92.98 | 94.55 | 1.000 |
 Negative lateral margin | 53 | 52 |  |
 Positive lateral margin | 4 | 3 |  |
Endoscopist 2 | |||
 Procedure time, min | 21.40 ± 8.88 | 22.18 ± 14.77 | 0.861 |
 Complete resection rate, % | 100 | 88.24 | 0.486 |
 Negative lateral margin | 15 | 15 |  |
 Positive lateral margin | 0 | 2 |  |
Overall | |||
 Procedure time, min | 19.22 ± 9.33 | 19.03 ± 11.49 | 0.911 |
 Complete resection rate, % | 94.44 | 93.05 | 1.000 |
 Negative lateral margin | 68 | 67 |  |
 Positive lateral margin | 4 | 5 |  |