Table 1 Baseline characteristics of patients with renal cell carcinoma according to MPV levels.
From: Lower mean platelet volume predicts poor prognosis in renal cell carcinoma
Variables | Total | MPV ≤ 7.5 | MPV > 7.5 | P value |
|---|---|---|---|---|
n (%) | n (%) | n (%) | ||
Age (years) | 0.396 | |||
<55 | 125 (40.8) | 22 (36.1) | 103 (42.0) | |
≥55 | 181 (59.2) | 39 (63.9) | 142 (58.0) | |
Gender | 0.782 | |||
Male | 196 (64.1) | 40 (65.6) | 156 (63.7) | |
Female | 110 (35.9) | 21 (34.4) | 89 (36.3) | |
Tumor size (cm) | 0.396 | |||
≤4.0 | 125 (40.8) | 22 (36.1) | 103 (42.0) | |
>4.0 | 181 (59.2) | 39 (63.9) | 142 (58.0) | |
Histology | <0.001 | |||
Clear cell | 279 (91.2) | 57 (93.4) | 222 (90.6) | |
Papillary | 15 (4.9) | 2 (3.3) | 13 (5.3) | |
Chromophobe | 9 (2.9) | 2 (3.3) | 7 (2.9) | |
Others | 3 (1.0) | 0 (0) | 3 (1.2) | |
Fuhrman grade | 0.443 | |||
G1+G2 | 203 (66.3) | 43 (70.5) | 160 (65.3) | |
G3+G4 | 103 (33.7) | 18 (29.5) | 85 (34.7) | |
T classification | 0.020 | |||
T1+T2 | 286 (93.5) | 53 (86.9) | 233 (95.1) | |
T3+T4 | 20 (6.5) | 8 (13.1) | 12 (4.9) | |
Lymph node metastasis | 0.165 | |||
Absent | 295 (96.4) | 57 (93.4) | 238 (97.1) | |
Present | 11 (3.6) | 4 (6.6) | 7 (2.9) | |
Distant metastasis | 0.602 | |||
Absent | 290 (94.8) | 57 (93.4) | 233 (95.1) | |
Present | 16 (5.2) | 4 (6.6) | 12 (4.9) | |
TNM stage | 0.216 | |||
I/II | 266 (86.9) | 48 (78.7) | 218 (89.0) | |
III/IV | 40 (13.1) | 13 (21.3) | 27 (11.0) | |
Microvascular invasion | 0.631 | |||
Absent | 257 (84.0) | 50 (82.0) | 207 (84.5) | |
Present | 49 (16.0) | 11 (18.0) | 38 (15.5) | |
ECOG PS | 0.188 | |||
0 | 262 (85.6) | 49 (80.3) | 213 (86.9) | |
≥1 | 44 (14.4) | 12 (19.7) | 32 (13.1) | |
UISS category | <0.001 | |||
Low risk | 129 (42.2) | 20 (32.8) | 109 (44.5) | |
Mediate risk | 148 (48.4) | 36 (59.0) | 112 (45.7) | |
High risk | 29 (9.5) | 5 (8.2) | 24 (9.8) | |
SSIGN category | <0.001 | |||
0–3 | 232 (75.8) | 40 (65.6) | 192 (78.4) | |
4–7 | 68 (22.2) | 20 (32.8) | 48 (19.6) | |
≥8 | 6 (2.0) | 1 (1.6) | 5 (2.0) |