18 November 2025 : Clinical Research
Predictive Value of IBI for In-Hospital Death in Elderly Patients with Non-ST-Segment Elevation Myocardial Infarction
Zhiwen Tao ABCDF 1, Jiayu Yin CDEF 2, Mingzhu Li EF 3, Gonghao Li EF 3, Kun Liu ACE 1,3*, Zemu Wang ABCDEG 1DOI: 10.12659/MSM.950592
Med Sci Monit 2025; 31:e950592
Table 2 Univariate regression analysis for in-hospital death in elderly patients with NSTEMI.
| Variables | OR | 95% CI | P |
|---|---|---|---|
| Male, n (%) | 1.31 | 0.68~2.50 | 0.417 |
| Hypertension, n (%) | 1.46 | 0.77~2.75 | 0.244 |
| Diabetes mellitus, n (%) | 1.18 | 0.60~2.32 | 0.634 |
| Stroke, n (%) | 1.06 | 0.45~2.50 | 0.889 |
| Smoking, n (%) | 1.03 | 0.54~1.96 | 0.920 |
| KILLIP >1, n (%) | 2.20 | 1.14~4.24 | 0.019 |
| P2Y12 inhibitor, n (%) | 0.63 | 0.18~2.25 | 0.481 |
| Aspirin, n (%) | 0.88 | 0.29~2.62 | 0.816 |
| Statins, n (%) | 0.67 | 0.22~2.02 | 0.474 |
| SGLT2i, n (%) | 1.17 | 0.55~2.48 | 0.677 |
| ACEI/ARB, n (%) | 0.94 | 0.50~1.77 | 0.846 |
| β-blockers, n (%) | 1.12 | 0.53~2.36 | 0.766 |
| Spironolactone, n (%) | 1.72 | 0.78~3.80 | 0.180 |
| IBI | 2.08 | 1.56~2.78 | <.001 |
| WBC, 10/L | 1.09 | 1.00~1.20 | 0.054 |
| Neutrophil, 10/L | 1.06 | 1.00~1.12 | 0.071 |
| Lymphocyte, 10/L | 0.34 | 0.19~0.63 | <.001 |
| Platelet, 10/L | 1.00 | 0.99~1.00 | 0.119 |
| CRP, mg/L | 1.15 | 1.07~1.24 | <.001 |
| NLR | 1.07 | 1.03~1.11 | 0.001 |
| Age, years | 1.04 | 0.96~1.13 | 0.329 |
| BMI, kg/m | 1.04 | 0.96~1.14 | 0.350 |
| Heart rate, bpm | 1.01 | 0.99~1.03 | 0.327 |
| SBP, mmHg | 0.99 | 0.98~1.01 | 0.371 |
| DBP, mmHg | 0.99 | 0.97~1.01 | 0.332 |
| BNP, ng/L | 1.75 | 1.26~2.44 | <.001 |
| hs-TnT, ng/L | 1.21 | 0.85~1.73 | 0.293 |
| Triglycerides, mmol/L | 0.84 | 0.61~1.16 | 0.294 |
| Total cholesterol, mmol/L | 1.22 | 0.93~1.58 | 0.145 |
| LDL-C, mmol/L | 1.04 | 0.74~1.46 | 0.811 |
| HDL-C, mmol/L | 1.41 | 0.39~5.08 | 0.596 |
| LVEF, % | 0.94 | 0.89~0.98 | 0.009 |
| BMI – body mass index; LVEF – left ventricular ejection fraction; HDL-C – high-density leptin cholesterol; LDL-C – low-density leptin cholesterol; CRP – C-reactive protein; FBG – fasting blood glucose; NLR – neutrophil/lymphocyte; IBI – inflammatory burden index; hs-TnT – high-sensitivity troponin T; BNP – B-type natriuretic peptide; ACEI – angiotensin-converting enzyme inhibitors; ARB – angiotensin receptor blocker; SGLT2i – sodium-glucose cotransporter 2 inhibitors; NSTEMI – non-ST-segment elevation myocardial infarction. | |||