Table 3 Characteristics of patients according to PLR
From: Neutrophil-lymphocyte ratio associated with poor prognosis in oral cancer: a retrospective study
Variables | PLR | P value | |
|---|---|---|---|
Low, n (%) | High, n (%) | ||
Number of patients | 240 (55.4) | 193 (44.6) | Â |
Sex | |||
 Male | 156 (65.0) | 90 (46.6) | <  0.001 * |
 Female | 84 (35.0) | 103 (53.4) |  |
Age | |||
 Range (Years) | 27–98 | 22–92 |  |
 Mean ± SD | 66.1 ± 12.7 | 66.6 ± 14.4 | 0.253 ** |
  ≥ 64 | 100 (41.7) | 73 (37.8) | 0.431 * |
  ≤ 65 | 140 (58.3) | 120 (62.2) |  |
Smoking history | |||
 No | 115 (47.9) | 104 (53.9) | 0.002 * |
 Yes | 51 (21.3) | 18 (9.3) |  |
 Unknown | 74 (30.8) | 71 (36.8) |  |
Alcohol consumption | |||
 No | 84 (35.0) | 68 (35.2) | 0.473 * |
 Yes | 78 (32.5) | 53 (27.5) |  |
 Unknown | 78 (32.5) | 72 (37.3) |  |
Performance status | |||
 0 | 135 (56.3) | 92 (47.7) | 0.081 * |
  ≥ 1 | 103 (38.8) | 99 (41.3) |  |
 Unknown | 2 (0.8) | 2 (1.0) |  |
Subsite | |||
 Tongue | 126 (52.5) | 85 (44.0) | 0.083 * |
 Other | 114 (47.5) | 108 (56.0) |  |
T classification | |||
 1, 2 | 176 (73.3) | 125 (64.8) | 0.059 * |
 3, 4a/b | 64 (26.7) | 68 (35.2) |  |
N classification | |||
 0 | 168 (70.0) | 128 (66.3) | 0.467 * |
 Others | 72 (30.0) | 65 (33.7) |  |
Pathological status | |||
 Pathological extranodal extension | |||
  ENE - | 49 (57.6) | 40 (54.8) | 0.750 * |
  ENE + | 36 (42.4) | 33 (45.2) |  |
 Number of pathological lymph node metastases | |||
  0, 1 | 94 (63.9) | 79 (63.2) | 0.900 * |
   ≥ 2 | 53 (36.1) | 46 (36.8) |  |
 Surgical margins | |||
  Negative | 184 (76.7) | 143 (74.1) | 0.421 * |
  Involved margins | 51 (21.3) | 48 (24.9) |  |
  Unknown | 5 (2.1) | 2 (1.0) |  |
 Histological differentiation | |||
  Well differentiated | 142 (59.2) | 119 (61.7) | 0.691 * |
  Moderately or poorly differentiated | 95 (39.6) | 73 (37.8) |  |
  Unknown | 3 (1.3) | 1 (0.5) |  |