Table 1 Comparison of patient characteristics versus preoperative platelet distribution width (PDW)
Variables | PDWHigh (n = 219) | PDWLow (n = 226) | P value |
|---|---|---|---|
Age (years) | 0.0014 | ||
< 70 (n = 217) | 90 (41.5%) | 127 (58.5%) | |
≥ 70 (n = 228) | 129 (56.6%) | 99 (43.4%) | |
Gender | 0.23 | ||
Male (n = 328) | 167 (50.9%) | 161 (49.1%) | |
Femal (n = 117) | 52 (44.4%) | 65 (55.6%) | |
Tumor size (cm) | 0.52 | ||
< 4 (n = 281) | 135 (48.0%) | 146 (52.0%) | |
≥ 4 (n = 164) | 84 (51.2%) | 80 (48.8%) | |
Histology a | 0.059 | ||
Differentiated (n = 244) | 130 (53.3%) | 114 (46.7%) | |
Undifferentiated (n = 201) | 89 (44.3%) | 112 (55.7%) | |
Depth of invasion b | 0.96 | ||
T1 (n = 284) | 140 (49.3%) | 144 (50.7%) | |
T2/3/4 (n = 161) | 79 (49.1%) | 82 (50.9%) | |
Lymph node metastasis | 0.6 | ||
Absent (n = 342) | 166 (48.5%) | 176 (51.5%) | |
Present (n = 103) | 53 (51.5%) | 50 (48.5%) | |
Lymphatic invasion | 0.5 | ||
Absent (n = 186) | 88 (47.3%) | 98 (52.7%) | |
Present (n = 259) | 131 (50.6%) | 128 (49.4%) | |
Vascular invasion | 0.88 | ||
Absent (n = 232) | 115 (49.6%) | 117 (50.4%) | |
Present (n = 213) | 104 (48.8%) | 109 (51.2%) | |
Stage of disease | 0.77 | ||
I (n = 310) | 154 (49.7%) | 156 (50.3%) | |
II / III (n = 135) | 65 (48.1%) | 70 (51.9%) | |
Approach | 0.77 | ||
Open (n = 257) | 129 (50.2%) | 128 (49.8%) | |
Laparoscopy (n = 188) | 90 (47.9%) | 98 (52.1%) | |
Gatrectomy (total vs. distal and proximal partial) | 0.073 | ||
Total (n = 95) | 39 (41.1%) | 56 (58.9%) | |
Distal or proximal (n = 350) | 180 (51.4%) | 170 (48.6%) | |
Lymph node dissection | 0.76 | ||
D0 / D1 (n = 312) | 155 (49.7%) | 157 (50.3%) | |
D2 (n = 133) | 64 (48.1%) | 69 (51.9%) | |
Adjuvant chemotherpy | 0.36 | ||
Absent (n = 377) | 189 (50.1%) | 188 (49.9%) | |
Present (n = 68) | 30 (44.1%) | 38 (55.9%) |