Table 1.
Baseline characteristics in each group
| Variable | Low NLR (N = 280) | High NLR(N = 278) | p-Value |
|---|---|---|---|
| Age | 64.7 ± 11.5 | 68.4 ± 11.4 | 0.0001 |
| Gender- Female | 101 (36.1) | 84 (30.2) | 0.1508 |
| Race | 0.0033 | ||
| Caucasian | 230 (82.1) | 255 (91.7) | |
| African American | 20 (7.1) | 5 (1.8) | |
| Asian | 7 (2.5) | 4 (1.4) | |
| Others | 23 (8.2) | 14 (5) | |
| BMI | 29.0 ± 5.3 | 29.6 ± 6.7 | 0.2764 |
| Diabetes | 0.1713 | ||
| Non-insulin dependent | 62 (22.1) | 68 (24.5) | |
| Insulin-dependent | 20 (7.1) | 31 (11.2) | |
| Dyslipidemia | 219 (78.2) | 225 (80.9) | 0.4629 |
| eGFR (ml/min/1.73 m*2) | 88.7 ± 28.9 | 79.7 ± 29.1 | 0.0003 |
| Preoperative dialysis | 1 (.4) | 6 (2.2) | 0.0679 |
| Hypertension | 232 (82.9) | 233 (83.8) | 0.8205 |
| History of endocarditis | 5 (1.8) | 5 (1.8) | 0.9909 |
| Chronic lung disease | 5 (1.8) | 10 (3.6) | 0.2027 |
| Peripheral vascular disease | 22 (7.9) | 29 (10.4) | 0.2913 |
| History of stroke | 15 (5.4) | 14 (5) | 0.8643 |
| Prior myocardial infarction | 69 (24.6) | 84 (30.2) | 0.1401 |
| Redo sternotomy | 16 (5.7) | 32 (11.5) | 0.0146 |
| CHF | 60 (21.4) | 94 (33.8) | 0.0011 |
Values are n (%) or mean ± standard deviation
NLR Neutrophil to Lymphocyte Ratio, BMI Body Mass Index eGFR: estimated glomerular filtration rate, CHF congestive heart failure