Table 2 Characteristics of patients according to LMR
From: Neutrophil-lymphocyte ratio associated with poor prognosis in oral cancer: a retrospective study
Variables | LMR | P value | |
|---|---|---|---|
Low, n (%) | High, n (%) | ||
Number of patients | 180 (41.6) | 253 (58.4) | Â |
Sex | |||
 Male | 112 (62.2) | 134 (53.0) | 0.062 * |
 Female | 68 (37.8) | 119 (47.0) |  |
Age | |||
 Range (Years) | 22–92 | 23–98 |  |
 Mean ± SD | 67.8 ± 12.9 | 65.3 ± 13.8 | 0.057 ** |
  ≥ 64 | 66 (36.7) | 107 (42.3) | 0.273 * |
  ≤ 65 | 114 (63.3) | 146 (57.7) |  |
Smoking history | |||
 No | 94 (52.2) | 125 (49.4) | 0.680 * |
 Yes | 32 (17.8) | 37 (14.6) |  |
 Unknown | 54 (30.0) | 91 (36.0) |  |
Alcohol consumption | |||
 No | 63 (35.0) | 89 (35.2) | 0.282 * |
 Yes | 63 (35.0) | 68 (26.9) |  |
 Unknown | 54 (30.0) | 96 (37.9) |  |
Performance status | |||
 0 | 78 (43.3) | 149 (58.9) | 0.002 * |
  ≥ 1 | 100 (55.6) | 102 (40.3) |  |
 Unknown | 2 (1.1) | 2 (0.8) |  |
Subsite | |||
 Tongue | 75 (41.7) | 136 (53.8) | 0.015 * |
 Other | 105 (58.3) | 117 (46.2) |  |
T classification | |||
 1, 2 | 111 (61.7) | 190 (75.1) | 0.003 * |
 3, 4a/b | 69 (38.3) | 63 (24.9) |  |
N classification | |||
 0 | 110 (61.1) | 186 (73.5) | 0.007 * |
 Others | 70 (38.9) | 67 (26.5) |  |
Pathological status | |||
 Pathological extranodal extension | |||
  ENE - | 41 (52.6) | 48 (60.0) | 0.423 * |
  ENE + | 37 (47.4) | 32 (40.0) |  |
 Number of pathological lymph node metastases | |||
  0, 1 | 74 (58.3) | 99 (68.3) | 0.101 * |
   ≥ 2 | 53 (41.7) | 46 (31.7) |  |
 Surgical margins | |||
  Negative | 133 (73.9) | 194 (76.7) | 0.417 * |
  Involved margins | 45 (25.0) | 54 (21.3) |  |
  Unknown | 2 (1.1) | 5 (2.0) |  |
 Histological differentiation | |||
  Well differentiated | 107 (59.4) | 154 (60.9) | 0.736 * |
  Moderately or poorly differentiated | 72 (40.0) | 96 (37.9) |  |
  Unknown | 1 (0.6) | 3 (1.2) |  |