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Table 1 Baseline characteristics of the included patients according to NLR tertiles

From: Predictive efficacy of neutrophil-to-lymphocyte ratio for long-term prognosis in new onset acute coronary syndrome: a retrospective cohort study

  1st tertile ≤ 3.37 (n = 245) 2nd tertile 3.38–6.93 (n = 245) 3rd tertile ≥ 6.94 (n = 247) t/Z/χ2 P
Sex (male/female) 200/45 203/42 213/34 2.039 0.361
Age (years) 58.20 ± 12.46 57.20 ± 12.45 58.64 ± 12.04 0.877 0.417
Hypertension 113 (46.1) 115 (46.9) 103 (41.7) 1.582 0.453
Diabetes mellitus 76 (31.0) 64 (26.1) 53 (21.5) 5.820 0.054
DM treatment     3.808 0.433
 Diet only 4 (6.6) 2 (3.6) 2 (4.9)   
 Oral hypoglycemic drugs 23 (37.7) 30 (54.5) 21 (51.2)   
 Insulin 34 (55.7) 23 (41.8) 18 (43.9)   
Smoking     9.319 0.054
 Never smoker 110 (44.9) 132 (53.9) 115 (46.6)   
 Former smoker 19 (7.8) 7 (2.9) 11 (4.5)   
 Current smoker 116 (47.3) 106 (43.3) 121 (49.0)   
Alcohol drinking     2.390 0.664
 Never drinking 151 (61.9) 149 (61.3) 146 (59.3)   
 Former drinking 35 (14.3) 35 (14.4) 46 (18.7)   
 Current drinking 58 (23.8) 59 (24.3) 54 (22.0)   
Family history of CAD 99 (40.4) 101 (41.2) 97 (39.3) 0.197 0.906
SBP (mmHg) 122.02 ± 20.97 122.91 ± 19.32 122.21 ± 19.17 0.137 0.872
DBP (mmHg) 75.96 ± 13.59 76.75 ± 12.90 77.23 ± 13.84 0.567 0.567
Heart rate (bpm) 82.78 ± 15.31 80.54 ± 14.71 82.50 ± 15.03 1.618 0.199
BMI (kg/m2) 25.11 ± 5.28 25.04 ± 5.15 24.63 ± 5.94 0.475 0.622
HDL-C (mmol/l) 0.95 ± 0.26 1.00 ± 0.26 1.01 ± 0.26 2.575 0.077
LDL-C (mmol/l) 2.93 ± 0.91 2.96 ± 0.84 2.97 ± 0.85 0.095 0.910
TC (mmol/l) 4.61 ± 1.22 4.66 ± 1.26 4.59 ± 1.08 0.181 0.834
TG (mmol/l) 1.76 ± 1.13 2.04 ± 1.06a 2.26 ± 1.17ab 11.988  < 0.001
ApoA1 (g/L) 1.21 ± 0.29 1.28 ± 0.53 1.22 ± 0.27 1.604 0.202
ApoB (g/L) 0.92 ± 0.49 0.90 ± 0.27 0.91 ± 0.26 0.160 0.852
Lp (a) (g/L) 244.88 ± 258.72 236.56 ± 227 239.63 ± 214.2 0.059 0.942
Creatinine (mmol/L) 79.27 ± 36.5 81.75 ± 56.31 79.25 ± 35.77 0.259 0.772
BUN (mmol/l) 5.42 ± 2.76 5.69 ± 2.26 5.68 ± 2.81 0.833 0.435
Uric acid (mmol/L) 334.27 ± 90.96 326.4 ± 88.92 325.73 ± 99.45 0.629 0.534
WBC 9.03 ± 3.21 11.05 ± 3.35a 12.32 ± 3.41ab 61.212  < 0.001
Monocyte count 0.63 ± 0.24 0.66 ± 0.34 0.46 ± 0.32ab 30.768  < 0.001
PLR 89.94 ± 36.52 145.34 ± 110.94a 265.13 ± 175.65ab 132.705  < 0.001
RBC 4.77 ± 0.72 4.85 ± 0.58 4.65 ± 0.82b 4.852 0.008
HGB 145.04 ± 22.16 144.99 ± 26.14 142.53 ± 28.78 0.759 0.468
PLT 224.49 ± 71.94 229.48 ± 144.24 236.26 ± 162.19 0.492 0.612
MPV 10.16 ± 1.43 10.26 ± 1.24 10.14 ± 1.66 0.499 0.608
PDW 13.36 ± 3.83 13.43 ± 3.71 13.31 ± 3.22 0.065 0.937
PCT 0.24 ± 0.08 0.23 ± 0.09 0.25 ± 0.12 1.632 0.196
Clinical diagnosis     20.160  < 0.001
 UA 52 (21.2) 29 (11.8) 19 (7.7)   
 NSTEMI 26 (10.7) 30 (12.2) 31 (12.6)   
 STEMI 167 (68.2) 186 (75.9) 197 (79.8)   
Coronary artery lesion      
 UPLMT 22 (9.2) 25 (10.6) 21 (8.7) 0.526 0.769
 LAD 217 (88.9) 211 (86.5) 216 (87.8) 0.687 0.709
 LCX 155 (64.3) 147 (61.0) 155 (63.0) 0.577 0.749
 RCA 179 (74.0) 178 (73.3) 186 (75.3) 0.278 0.870
Medication situation      
 Aspirin 20 (8.2) 32 (13.1) 22 (8.9) 3.782 0.151
 Statins 18 (7.3) 28 (11.4) 21 (8.5) 2.625 0.269
 β-Blockers 16 (6.5) 16 (6.5) 12 (4.9) 0.818 0.664
 ACEI/ARB 8 (3.3) 13 (5.3) 6 (2.4) 3.049 0.218
 CCB 41 (16.7) 26 (10.6) 35 (14.2) 3.885 0.143
  1. aP < 0.05 compared to the 1st tertile; bP < 0.05 compared to the 2nd tertile