Table 1.
Baseline characteristics of total and different degrees of NT-proBNP
| Characteristics | Total (n = 54) | NT-proBNP≤88.64 pg/ml (n = 24) | NT-proBNP> 88.64 pg/ml (n = 30) | P |
|---|---|---|---|---|
| Male/Female (n) | 24/30 | 8/16 | 16/14 | 0.142 |
| Age (years) | 60.4 ± 16.1 | 51.6 ± 13.9 | 67.4 ± 14.4 | < 0.001 |
| Temperature (°C) | 36.7 (36.5–36.9) | 36.8 (36.5–36.9) | 36.6 (36.5–36.9) | 0.670 |
| Pulse (/min) | 82 (76–97) | 84 (76–97) | 82 (76–96) | 0.679 |
| Respire (/min) | 20 (19–21) | 20 (19–20) | 20 (18–26) | 0.209 |
| SBP (mmHg) | 128 (119–138) | 126 (115–134) | 129 (120–144) | 0.218 |
| DBP (mmHg) | 78 (70–83) | 73 (69–78) | 80 (70–86) | 0.040 |
| History of HP (n) | 12 (22.2%) | 2 (8.3%) | 10 (33.3%) | 0.028 |
| History of CHD (n) | 9 (16.7%) | 1 (4.2%) | 8 (26.7%) | 0.027 |
| History of COPD (n) | 2 (3.7%) | 0 | 2 (6.7%) | 0.197 |
| History of DM (n) | 8 (14.8%) | 3 (12.5%) | 5 (16.7%) | 0.668 |
| NT-proBNP (pg/ml) | 137.30 (39.64–494.98) | 37.28 (22.28–61.74) | 420.40 (199.63–919.88) | < 0.001 |
| MYO (ng/ml) | 39.28 (26.26–86.84) | 25.35 (14.04–35.20) | 82.53 (34.55–123.96) | < 0.001 |
| CK-MB (ug/L) | 1.04 (0.65–2.27) | 0.63 (0.37–0.79) | 1.90 (1.08–3.78) | < 0.001 |
| Hs-TnI (ng/ml) | < 0.006 (< 0.006–0.022) | < 0.006 (< 0.006- < 0.006) | 0.021 (< 0.006–0.136) | 0.001 |
| Urea (mmol/L) | 4.8 (3.3–9.0) | 3.4 (2.6–4.9) | 7.1 (4.4–9.9) | < 0.001 |
| Creatinine (umol/L) | 63 (44–77) | 54 (41–69) | 79 (55–86) | 0.016 |
| WBC (109/L) | 5.42 (4.13–7.45) | 5.89 (4.53–10.76) | 5.73 (4.50–8.20) | 0.007 |
| LYM (109/L) | 1.12 ± 0.52 | 1.30 ± 0.43 | 0.98 ± 0.55 | 0.021 |
| CRP (mg/L) | 34.8 (5.3–61.0) | 7.6 (5.0–34.8) | 54.3 (14.3–117.9) | 0.003 |
| PCT (ng/ml) | 0.063 (0.029–0.171) | 0.038 (0.020–0.058) | 0.137 (0.049–0.468) | < 0.001 |
| In-hospital death (n) | 18 (33.3%) | 0 | 18 (60.0%) | < 0.001 |
Abbreviations: SBP Systolic blood pressure, DBP Diastolic blood pressure, HP Hypertension, CHD Coronary heart disease, COPD Chronic obstructive pulmonary disease, DM Diabetes mellitus, NT-proBNP N-terminal pro-brain natriuretic peptide, MYO Myoglobin, CK-MB creatine kinase-MB, Hs-TnI High-sensitivity troponin-I, WBC White blood cell, LYM Lymphocytes, CRP C-reactive protein, PCT Procalcitonin