Clinical Study
BNP and Admission Glucose as In-Hospital Mortality Predictors in Non-ST Elevation Myocardial Infarction
Table 2
Clinical and demographic patient characteristics, grouped by BNP ≥ or < 300 pg/mL.
| | All | BNP < 300 pg/mL | BNP ≥ 300 pg/mL | |
| Patients, (%) | 96 | 63 (65.6) | 33 (34.4) | | Age (years)* | 65.1 (11.7) | 62.9 (11.1) | 69.2 (12.0) | 0.012 | Male, (%) | 64 (66.7) | 46 (73.0) | 18 (54.5) | 0.068 | Prior coronary artery disease, (%) | 57 (59.4) | 34 (54.0) | 23 (69.7) | 0.136 | Hypertension, (%) | 86 (89.6) | 54 (85.7) | 32 (97.0) | 0.086 | Current smoker, (%) | 16 (16.7) | 12 (19.0) | 4 (12.1) | 0.387 | Dyslipidemia, (%) | 65 (67.7) | 43 (68.3) | 22 (66.7) | 0.874 | Diabetes mellitus, (%) | 48 (50) | 25 (39.7) | 23 (69.7) | 0.005 | Family history of coronary artery disease, (%) | 35 (36.5) | 25 (39.7) | 10 (30.3) | 0.365 | Heart rate (beats/minute) | 82.6 (27.6) | 75.6 (21.8) | 94.9 (32.4) | 0.001 | Systolic blood pressure (mmHg) | 137.5 (30.8) | 144.5 (29.7) | 125.6 (29.3) | 0.005 | Diastolic blood pressure (mmHg) | 83.1 (17.1) | 87.7 (16.7) | 75.2 (14.9) | <0.001 | Killip > I, (%) | 19 (19.8) | 4 (6.3) | 15 (45.5) | <0.001 | Admission glucose (mg/dL) | 152.4 (100.0) | 120.2 (46.9) | 213.9 (139.6) | <0.001 | Admission glucose ≥ 200 mg/dL, (%) | 19 (19.8) | 4 (6.3) | 15 (45.5) | <0.001 | BNP (pg/mL) | 358.3 (381.0) | 142.9 (87.6) | 769.6 (387.5) | <0.001 | Hemoglobin (g/dL) | 13.5 (2.1) | 14.1 (1.8) | 12.4 (2.2) | <0.001 | White blood cell count (/mm3) | 9879.6 (3418.4) | 9459.0 (3166.8) | 10681.3 (3775.9) | 0.102 | Platelet count (/mm3) | 235244.7 (82837.8) | 232967.0 (71510.4) | 239455.0 (101620.0) | 0.719 | Serum urea (mg/dL) | 52.7 (29.4) | 44.8 (19.0) | 67.5 (38.7) | <0.001 | Serum creatinine (mg/dL) | 1.33 (1.00) | 1.11 (0.39) | 1.76 (1.55) | 0.002 | Creatinine kinase-MB (CKMB) peak (ng/mL) | 65.1 (111.1) | 60.1 (99.9) | 74.7 (131.0) | 0.542 | Troponin I (ng/mL) | 25.8 (40.6) | 20.0 (32.7) | 36.9 (51.2) | 0.056 | Cholesterol (mg/dL) | 175.0 (39.4) | 180.0 (37.9) | 165.5 (41.1) | 0.122 | HDL-C (mg/dL) | 41.0 (10.9) | 40.9 (10.3) | 41.3 (12.1) | 0.886 | LDL-C (mg/dL) | 110.6 (32.5) | 114.0 (31.3) | 103.7 (34.2) | 0.190 | Triglycerides (mg/dL) | 130.4 (76.2) | 129.9 (65.3) | 131.1 (94.5) | 0.947 | Ejection fraction (%) | 44.7 (15.3) | 49.3 (14.6) | 37.9 (13.9) | 0.001 | Angiography, (%) | 86 (89.6) | 61 (96.8) | 25 (75.8) | 0.001 | Medical therapy, (%) | 35 (36.5) | 18 (28.6) | 17 (51.5) | 0.027 | Percutaneous coronary intervention, (%) | 49 (57.0) | 38 (62.3) | 11 (44.0) | 0.119 | Surgery, (%) | 12 (12.5) | 7 (11.1) | 5 (15.2) | 0.570 | Length of stay (days) | 10.5 (18.6) | 7.4 (14.7) | 16.4 (23.5) | 0.022 | Followup (months) | 21.7 (9.7) | 22.7 (8.3) | 19.7 (11.9) | 0.143 | Mortality, (%) | 17 (17.7) | 8 (12.7) | 9 (27.3) | 0.076 | In-hospital, (%) | 7 (7.3) | 2 (3.2) | 5 (15.2) | 0.032 | Followup, (%) | 10 (11.2) | 6 (9.8) | 4 (14.3) | 0.537 | In-hospital mortality + prolonged length of stay, (%) | 25 (26.0) | 9 (14.3) | 16 (48.5) | <0.001 | Follow-up mortality + readmission, (%) | 51 (57.3) | 36 (59.0) | 15 (53.4) | 0.630 |
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