Skip to main content

Table 2 Characteristics of the covariates in Dataset lung [Mean ± SD or n (%)]

From: A comparative study of forest methods for time-to-event data: variable selection and predictive performance

Characteristics

Total(n = 167)

inst (institution code)

 1

28 (16.8)

 2

4 (2.4)

 3

12 (7.2)

 4

4 (2.4)

 5

7 (4.2)

 6

12 (7.2)

 7

7 (4.2)

 10

4 (2.4)

 11

13 (7.8)

 12

16 (9.6)

 13

13 (7.8)

 15

6 (3.6)

 16

10 (6.0)

 21

8 (4.8)

 22

13 (7.8)

 26

4 (2.4)

 32

6 (3.6)

sex

 male

103 (61.7)

 female

64 (38.3)

ph.ecog (ECOG performance score rated by physician)

 asymptomatic

47 (28.1)

 symptomatic but completely ambulatory

81 (48.5)

 in bed < 50% of the day

38 (22.8)

 in bed > 50% of the day but not bedbound

1 (0.6)

age

62.57 ± 9.21

ph.karno (Karnofsky performance score rated by physician)

82.04 ± 12.78

pat.karno (Karnofsky performance score rated by patient)

79.58 ± 15.10

meal.cal (Calories consumed at meals)

929.13 ± 413.49

wt.loss (Weight loss in last six months)

9.72 ± 13.38