Table 3.
Correlation between preoperative LMR-PLR and patient characteristics
| Characteristics | LMR-PLR score, n (%)
|
P-value | ||
|---|---|---|---|---|
| 0 | 1 | 2 | ||
|
| ||||
| Age (years) | 0.777 | |||
| ≤60 | 98 (50.8) | 157 (51.0) | 42 (55.3) | |
| >60 | 95 (49.2) | 151 (49.0) | 34 (44.7) | |
| Sex | <0.001 | |||
| Female | 39 (20.2) | 112 (36.4) | 16 (21.1) | |
| Male | 154 (79.8) | 196 (63.6) | 60 (78.9) | |
| Smoking | 0.092 | |||
| Yes | 119 (61.7) | 169 (54.9) | 51 (67.1) | |
| No | 74 (38.3) | 139 (45.1) | 25 (32.9) | |
| Cell types | 0.043 | |||
| Adenocarcinoma | 102 (52.8) | 190 (61.7) | 39 (51.3) | |
| Squamous | 77 (39.9) | 90 (29.2) | 26 (34.2) | |
| Others | 14 (7.3) | 28 (9.1) | 11 (14.5) | |
| Tumor differentiation | 0.040 | |||
| Well or moderately | 102 (52.8) | 197 (64.0) | 48 (63.2) | |
| Poorly or undifferentiated | 91 (47.2) | 111 (36.0) | 28 (36.8) | |
| Visceral pleura invasion | 0.804 | |||
| Yes | 114 (59.1) | 191 (62.0) | 46 (60.5) | |
| No | 79 (40.9) | 117 (38.0) | 30 (39.5) | |
| Bronchial invasion | 0.605 | |||
| Yes | 47 (24.4) | 79 (25.6) | 23 (30.3) | |
| No | 146 (75.6) | 229 (74.4) | 53 (69.7) | |
| Postoperative chemotherapy | 0.372 | |||
| Yes | 26 (13.5) | 53 (17.2) | 15 (19.7) | |
| No | 167 (86.5) | 255 (82.8) | 61 (80.3) | |
| Resected lymph node numbers | 0.370 | |||
| <12 | 86 (44.6) | 141 (45.8) | 28 (36.8) | |
| ≥12 | 107 (55.4) | 167 (54.2) | 48 (63.2) | |
| Resected lymph node stations | 0.461 | |||
| <6 | 133 (68.9) | 222 (72.1) | 58 (76.3) | |
| ≥6 | 60 (31.1) | 86 (27.9) | 18 (23.7) | |
Note: P-value, the correlation between clinicopathological characteristic parameters and preoperative LMR-PLR, was assessed by the chi-squared test or Fisher’s exact test.
Abbreviations: LMR, lymphocyte-to-monocyte ratio; LMR-PLR, combination of preoperative LMR and PLR; PLR, platelet-to-lymphocyte ratio.