Table 3.
Vital signs and lab parameters of patients presenting to the Emergency Department with neutrophil to lymphocyte ratio above vs below the cutoff.
| Neutrophil to lymphocyte ratio | |||
|---|---|---|---|
| Below the cutoff N = 545Mean ± SD | Above the cutoff N = 320 Mean ± SD | P value | |
| Systolic blood pressure upon presentation (mmHg) | 121.96 ± 26.03 | 118.90 ± 27.56 | .10 |
| Diastolic blood pressure upon presentation (mmHg) | 68.60 ± 15.49 | 66.62 ± 15.93 | .07 |
| Heart rate upon presentation (beats/min) | 98.44 ± 25.37 | 100.10 ± 25.21 | .35 |
| O2 saturation upon presentation (%) | 93.48 ± 9.59 | 93.64 ± 9.52 | .08 |
| Temperature upon presentation (C) | 37.39 ± 1.78 | 37.39 ± 1.58 | .97 |
| Respiratory rate upon presentation (Breaths/min) | 21.71 ± 8.24 | 21.64 ± 7.15 | .90 |
| White blood cell count (cu.mm) | 10801.62 ± 7651.71 | 14877.80 ± 8492.98 | |
| Neutrophil count (cu.mm) | 8026.47 ± 4479.79 | 13514.00 ± 7530.05 | |
| Lymphocyte count (cu.mm) | 1661.41 ± 3417.68 | 520.08 ± 323.66 | |
| Neutrophil to lymphocyte ratio | 6.95 ± 3.60 | 33.68 ± 25.31 | |
| Hematocrit (%) | 35.15 ± 7.61 | 35.76 ± 5.99 | .22 |
| Hemoglobin (g/dL) | 11.45 ± 2.30 | 11.68 ± 2.06 | .15 |
| Platelets (cu.mm) | 228970.64 ± 129269.39 | 237883.64 ± 140994.58 | .34 |
| Lactate (mmol/L) | 2.80 ± 2.00 | 3.21 ± 2.69 | .01 |
| C-reactive protein(mg/L) | 119.33 ± 100.81 | 146.37 ± 103.80 | .004 |
| Albumin (g/L) | 33.95 ± 6.52 | 31.92 ± 7.05 | |
| Procalcitonin (ng/L) | 5.05 ± 16.76 | 6.19 ± 15.16 | .45 |
| Glucose (mg/dL) | 159.52 ± 83.90 | 177.13 ± 106.65 | .02 |
| BUN (mg/dL) | 31.48 ± 22.93 | 38.54 ± 27.85 | |
| Creatinine (mg/dL) | 1.52 ± 1.34 | 1.64 ± 1.37 | .21 |
| Bicarbonate (mmol/L) | 24.48 ± 10.33 | 22.64 ± 8.09 | .007 |
| Ph_arterial | 7.39 ± 0.10 | 7.39 ± 0.10 | .92 |