Table 3.
Number of blood sampling in emergency department patients in whom at least one cardiac troponin I (cTnI) test was requested
Before HS-cTnI | After HS-cTnI | Odds Ratio (95% CI) | |||
N. | % | N. | % | ||
Only one sample | 7572 | 74.0 | 6381 | 67.5 | 0.73 (95% CI, 0.69-0.78; p<0.001) |
Two samples | 1282 | 12.5 | 2562 | 27.1 | 2.60 (95% CI, 2.41-2.80; p<0.001) |
Three samples | 1210 | 11.8 | 467 | 4.9 | 0.39 (95% CI; 0.35-0.43; p<0.001) |
Four samples | 167 | 1.6 | 42 | 0.4 | 0.27 (95% CI, 0.19-0.38; p<0.001) |
Total | 10231 | 100 | 9452 | 100 | - |
HS-cTnI, high-sensitivity cardiac troponin I