| Metric . | Usual-care phase (n = 2376) . | Intervention phase (n = 2392) . | Difference (95% CI) . |
|---|---|---|---|
| Mean ED LoS (SD): minutes | 350 (181) | 319 (163) | −31.7 (−42.0 to −22.0) |
| Median ED LoS (IQR): minutes | 313 (227–431) | 286 (210–390) | −28.2 (−39.1 to −19.0) |
| ED LoS < 2 h % (n) | 2.7% (65) | 5.3% (126) | 2.6% (1.4–3.6%) |
| ED LoS < 3 h % (n) | 13.1% (311) | 17.1% (410) | 4.0% (2.1–6.0%) |
| Cumulative time in ED (h) | 13 860 | 12 717 | −1143 (−2072 to −300) |
| Admitted as an inpatient % (n) | 40.2% (955) | 41.0% (981) | 0.8% (−2.1–3.4%) |
| Index admission AMIa (per individual) | 8.5% (188) | 8.9% (198) | 0.4% (−1.2–2.0%) |
| Mean (IQR) time from blood draw to posting of results: minutes | 128 (216) | 68 (175) | −59.3 (−70.4 to −47.7) |
| Median (IQR) time from blood draw to posting of results: minutes | 71 (56–109) | 12 (11–63) | −59.6 (−61.0 to −58.0) |
| Median (IQR) time from blood draw to posting of results with the VTLi only: minutes | 11 (11–12) | ||
| Patients not admitted | |||
| Mean ED LoS (SD): minutes | 320 (156) | 286 (144) | −33.5 (−22.7 to −44.2) |
| Median ED LoS (IQR): minutes | 285 (215–383) | 258 (192–348) | −27.3 (−15.0 to −41.0) |
| Patients assessed only with the VTLi assay | |||
| Mean ED LoS (SD): minutes | 299 (154) | ||
| Median ED LoS (IQR): minutes | 272 (197–363) | ||
| Patients assessed with both assays | |||
| Mean ED LoS (SD): minutes | 326 (166) | ||
| Median ED LoS (IQR): minutes | 293 (207–404) | ||
| Patients assessed only with the Beckman assay | |||
| Mean ED LoS (SD): minutes | 350 (172) | ||
| Median ED LoS (IQR): minutes | 313 (232–436) |
| Metric . | Usual-care phase (n = 2376) . | Intervention phase (n = 2392) . | Difference (95% CI) . |
|---|---|---|---|
| Mean ED LoS (SD): minutes | 350 (181) | 319 (163) | −31.7 (−42.0 to −22.0) |
| Median ED LoS (IQR): minutes | 313 (227–431) | 286 (210–390) | −28.2 (−39.1 to −19.0) |
| ED LoS < 2 h % (n) | 2.7% (65) | 5.3% (126) | 2.6% (1.4–3.6%) |
| ED LoS < 3 h % (n) | 13.1% (311) | 17.1% (410) | 4.0% (2.1–6.0%) |
| Cumulative time in ED (h) | 13 860 | 12 717 | −1143 (−2072 to −300) |
| Admitted as an inpatient % (n) | 40.2% (955) | 41.0% (981) | 0.8% (−2.1–3.4%) |
| Index admission AMIa (per individual) | 8.5% (188) | 8.9% (198) | 0.4% (−1.2–2.0%) |
| Mean (IQR) time from blood draw to posting of results: minutes | 128 (216) | 68 (175) | −59.3 (−70.4 to −47.7) |
| Median (IQR) time from blood draw to posting of results: minutes | 71 (56–109) | 12 (11–63) | −59.6 (−61.0 to −58.0) |
| Median (IQR) time from blood draw to posting of results with the VTLi only: minutes | 11 (11–12) | ||
| Patients not admitted | |||
| Mean ED LoS (SD): minutes | 320 (156) | 286 (144) | −33.5 (−22.7 to −44.2) |
| Median ED LoS (IQR): minutes | 285 (215–383) | 258 (192–348) | −27.3 (−15.0 to −41.0) |
| Patients assessed only with the VTLi assay | |||
| Mean ED LoS (SD): minutes | 299 (154) | ||
| Median ED LoS (IQR): minutes | 272 (197–363) | ||
| Patients assessed with both assays | |||
| Mean ED LoS (SD): minutes | 326 (166) | ||
| Median ED LoS (IQR): minutes | 293 (207–404) | ||
| Patients assessed only with the Beckman assay | |||
| Mean ED LoS (SD): minutes | 350 (172) | ||
| Median ED LoS (IQR): minutes | 313 (232–436) |
ED LoS, emergency department length of stay; AMI, acute myocardial infarction; SD, standard deviation; IQR, interquartile range.
aIdentified by ICD10 codes I21.0, 21.1, 21.2, 21.3, 21.4, 21.9, 22.0, 22.1, 22.8, 22.9.
| Metric . | Usual-care phase (n = 2376) . | Intervention phase (n = 2392) . | Difference (95% CI) . |
|---|---|---|---|
| Mean ED LoS (SD): minutes | 350 (181) | 319 (163) | −31.7 (−42.0 to −22.0) |
| Median ED LoS (IQR): minutes | 313 (227–431) | 286 (210–390) | −28.2 (−39.1 to −19.0) |
| ED LoS < 2 h % (n) | 2.7% (65) | 5.3% (126) | 2.6% (1.4–3.6%) |
| ED LoS < 3 h % (n) | 13.1% (311) | 17.1% (410) | 4.0% (2.1–6.0%) |
| Cumulative time in ED (h) | 13 860 | 12 717 | −1143 (−2072 to −300) |
| Admitted as an inpatient % (n) | 40.2% (955) | 41.0% (981) | 0.8% (−2.1–3.4%) |
| Index admission AMIa (per individual) | 8.5% (188) | 8.9% (198) | 0.4% (−1.2–2.0%) |
| Mean (IQR) time from blood draw to posting of results: minutes | 128 (216) | 68 (175) | −59.3 (−70.4 to −47.7) |
| Median (IQR) time from blood draw to posting of results: minutes | 71 (56–109) | 12 (11–63) | −59.6 (−61.0 to −58.0) |
| Median (IQR) time from blood draw to posting of results with the VTLi only: minutes | 11 (11–12) | ||
| Patients not admitted | |||
| Mean ED LoS (SD): minutes | 320 (156) | 286 (144) | −33.5 (−22.7 to −44.2) |
| Median ED LoS (IQR): minutes | 285 (215–383) | 258 (192–348) | −27.3 (−15.0 to −41.0) |
| Patients assessed only with the VTLi assay | |||
| Mean ED LoS (SD): minutes | 299 (154) | ||
| Median ED LoS (IQR): minutes | 272 (197–363) | ||
| Patients assessed with both assays | |||
| Mean ED LoS (SD): minutes | 326 (166) | ||
| Median ED LoS (IQR): minutes | 293 (207–404) | ||
| Patients assessed only with the Beckman assay | |||
| Mean ED LoS (SD): minutes | 350 (172) | ||
| Median ED LoS (IQR): minutes | 313 (232–436) |
| Metric . | Usual-care phase (n = 2376) . | Intervention phase (n = 2392) . | Difference (95% CI) . |
|---|---|---|---|
| Mean ED LoS (SD): minutes | 350 (181) | 319 (163) | −31.7 (−42.0 to −22.0) |
| Median ED LoS (IQR): minutes | 313 (227–431) | 286 (210–390) | −28.2 (−39.1 to −19.0) |
| ED LoS < 2 h % (n) | 2.7% (65) | 5.3% (126) | 2.6% (1.4–3.6%) |
| ED LoS < 3 h % (n) | 13.1% (311) | 17.1% (410) | 4.0% (2.1–6.0%) |
| Cumulative time in ED (h) | 13 860 | 12 717 | −1143 (−2072 to −300) |
| Admitted as an inpatient % (n) | 40.2% (955) | 41.0% (981) | 0.8% (−2.1–3.4%) |
| Index admission AMIa (per individual) | 8.5% (188) | 8.9% (198) | 0.4% (−1.2–2.0%) |
| Mean (IQR) time from blood draw to posting of results: minutes | 128 (216) | 68 (175) | −59.3 (−70.4 to −47.7) |
| Median (IQR) time from blood draw to posting of results: minutes | 71 (56–109) | 12 (11–63) | −59.6 (−61.0 to −58.0) |
| Median (IQR) time from blood draw to posting of results with the VTLi only: minutes | 11 (11–12) | ||
| Patients not admitted | |||
| Mean ED LoS (SD): minutes | 320 (156) | 286 (144) | −33.5 (−22.7 to −44.2) |
| Median ED LoS (IQR): minutes | 285 (215–383) | 258 (192–348) | −27.3 (−15.0 to −41.0) |
| Patients assessed only with the VTLi assay | |||
| Mean ED LoS (SD): minutes | 299 (154) | ||
| Median ED LoS (IQR): minutes | 272 (197–363) | ||
| Patients assessed with both assays | |||
| Mean ED LoS (SD): minutes | 326 (166) | ||
| Median ED LoS (IQR): minutes | 293 (207–404) | ||
| Patients assessed only with the Beckman assay | |||
| Mean ED LoS (SD): minutes | 350 (172) | ||
| Median ED LoS (IQR): minutes | 313 (232–436) |
ED LoS, emergency department length of stay; AMI, acute myocardial infarction; SD, standard deviation; IQR, interquartile range.
aIdentified by ICD10 codes I21.0, 21.1, 21.2, 21.3, 21.4, 21.9, 22.0, 22.1, 22.8, 22.9.
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
