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Table 1 Clinical characteristics of cohorts studied

From: Overcoming intratumoural heterogeneity for reproducible molecular risk stratification: a case study in advanced kidney cancer

Cohort

Total

Development (SuMR)

Validation (SCOTRRCC)

Number of patients

44

22

22

Age, median (range)a

66.5 (38.2–79.3)

64.5 (44–78)

67.5 (38.2–79.3)

Overall survival (months):b

 Median

16.2

23.5

12.3

 Interquartile range

9.1–25.9

14.8–29.8

7.6–18.8

 Number censored

22

10

12

 Modes (bimodal model)

10.6, 27.3

10.2, 27.4

11.6, 27.5

Number of samples per tumoura median (range)

4 (1–10)

4 (1–10)

4 (2–8)

Male genderb

29

15

14

Fuhrman grade:b

 4

9

1

8

 3

22

12

10

 2

13

9

4

Stage:b

 T4

4

4

0

 T3

33

13

20

 T2

6

4

2

 T1

1

1

0

Performance status:c

 KPS >80 (unavailable)

34 (1)

13 (0)

21 (1)

Anaemiab ,+ (unavailable)

22 (2)

12 (0)

10 (2)

Raised calciumb (unavailable)

8 (7)

5 (0)

3 (7)

Raised LDHc (unavailable)

10 (15)

5 (0)

5 (15)

Neutrophil count >70% upper limit of normalb (unavailable)

9 (2)

2 (0)

7 (2)

Platelet count >400b (unavailable)

12 (2)

6 (0)

6 (2)

VHL mutationb

31

14

17

Renal response at surgery:

 Partial response

2

 Stable disease

20

Number of metastatic sites:b

 1

19

6

13

 2

18

11

7

 3

7

5

2

IMDC class:b

 Intermediate

26

12

14

 Poor

16

10

6

 Unavailable

2

0

2

MSKCC class:b

 Favourable/intermediate:

26

13

13

 Poor

12

9

3

 Unavailable

6

0

6

  1. +Hb <130 (M), <110 (F); a p < 0.05; b p > 0.05; c p < 10-4