Skip to main content
. 2022 Jan 5;22:15. doi: 10.1186/s12890-021-01799-7

Table 2.

Baseline characteristics of the patients in different risk groups

Characteristics Freiburg cohort Siena cohort Leuven cohort
High risk Low risk P value High risk Low risk P valve High risk Low risk P value
Age, years 65.74 ± 10.06 69.06 ± 7.82 0.262 70.08 ± 11.34 67.28 ± 11.13 0.383 68.53 ± 7.80 67.97 ± 9.35 0.795
≥ 60 22 (71.0) 27 (87.1) 0.119 20 (80.0) 22 (88.0) 0.702 29 (90.6) 27 (84.4) 0.708
< 60 9 (29.0) 4 (12.9) 5 (20.0) 3 (12.0) 3 (9.4) 5 (15.6)
Gender 1.000 0.480 0.120
Female 5 (16.1) 4 (12.9) 4 (16.0) 6 (24.0) 4 (12.5) 9 (28.1)
Male 26 (83.9) 27 (87.1) 21 (84.0) 19 (76.0) 28 (87.5) 23 (71.9)
GAP 0.027 0.051 0.080
Stage I 4 (12.9) 13 (41.9) 5 (20.0) 9 (36.0) 8 (25.0) 17 (53.1)
Stage II 18 (58.1) 14 (45.2) 8 (32.0) 12 (48.0) 19 (59.4) 12 (37.5)
Stage III 9 (29.0) 4 (12.9) 12 (48.0) 4 (16.0) 5 (15.6) 3 (9.4)
Survival status  < 0.001 0.001 0.002
Dead 29 (93.5) 16 (51.6) 21 (84.0) 10 (40.0) 18 (56.3) 6 (18.8)
Censored 2 (6.5) 15 (48.4) 4 (16.0) 15 (60.0) 14 (43.7) 26 (81.2)

Values are presented as mean ± SD or n (%)

GAP gender, age and physiologic variables, SD standard deviation