Table 2.
Outcomes of the index visit to the emergency department and during the follow-up period according to tertiles of B-type natriuretic peptide.
| All patients (n = 3099) |
Tertile 1* (n = 035) |
Tertile 2† (n = 1031) |
Tertile 3‡ (n = 1033) |
p-value | |
|---|---|---|---|---|---|
| Outcomes of the index visit to the ED, n (%) | |||||
| Admission | 1988 (64.1) | 496 (47.9) | 644 (62.5) | 848 (82.1) | < 0.001 |
| Discharge | 725 (23.4) | 385 (37.2) | 255 (24.7) | 85 (8.2) | < 0.001 |
| Discharge against medical advice | 380 (12.3) | 154 (14.9) | 132 (12.8) | 94 (9.1) | < 0.001 |
| Death in the emergency department | 6 (0.2) | 0 (0) | 0 (0) | 6 (0.6) | 0.002 |
| Revisit to ED, n (%) | |||||
| 1-month revisit | 245 (9.52) | 84 (9.86) | 80 (9.31) | 81 (9.40) | 0.918 |
| 3-months revisit | 442 (17.2) | 121 (14.2) | 154 (17.9) | 167 (19.4) | 0.014 |
| 1-year revisit | 785 (30.5) | 212 (24.9) | 274 (31.9) | 299 (34.7) | < 0.001 |
| Readmission, n (%) | |||||
| 1-month readmission | 167 (6.5) | 69 (8.1) | 52 (6.0) | 46 (5.3) | 0.053 |
| 3-months readmission | 251 (9.7) | 84 (9.9) | 82 (9.5) | 85 (9.8) | 0.963 |
| 1-year readmission | 407 (15.8) | 125 (14.7) | 147 (17.0) | 135 (15.6) | 0.397 |
| Mortality, n (%) | |||||
| 1-month mortality | 192 (6.2) | 10 (1.0) | 66 (6.4) | 116 (11.2) | < 0.001 |
| 3-months mortality | 302 (9.8) | 17 (1.6) | 98 (9.5) | 187 (18.1) | < 0.001 |
| 1-year mortality | 531 (17.1) | 35 (3.4) | 186 (18.0) | 310 (30.0) | < 0.001 |
| 3-year mortality | 781 (25.2) | 66 (6.4) | 256 (24.8) | 459 (44.4) | < 0.001 |
Data are presented as n (%). ED, emergency department.
*The range of BNP levels in tertile 1 is ≤ 37 pg/mL.
†The range of BNP levels in tertile 2 was between > 37 and < 167 pg/mL.
‡The range of BNP levels in tertile 3 is ≥ 167 pg/mL.