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The measurement accuracy of the thyromental distance by anesthetist residents at different learning stages by surface landmark identification
| n | Measurements of each | Measurements overall | Measurement errors overall | Error rate (95% CI) | |
|---|---|---|---|---|---|
| First-year residents | 10 | 28 | 280 | 94 | 34% (28–39%) |
| Second-year residents | 9 | 28 | 252 | 69 | 27% (22–33%) |
| Third-year residents | 10 | 28 | 280 | 88 | 31% (26–37%) |
CI confidence interval
