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)