Respondents (n = 93) | Non-respondents (n = 153) | p-value | |||
---|---|---|---|---|---|
Mean | sd | Mean | sd | ||
Mean age (sd) | 66.9 | 10.4 | 67.7 | 12.3 | 0.71a |
n | % | n | % | ||
---|---|---|---|---|---|
Female | 40 | 43.0 | 67 | 43.8 | 1.00b |
Male | 53 | 57.0 | 86 | 56.2 | |
Histology | |||||
Adenocarcinoma | 51 | 54.8 | 77 | 50.3 | 0.58b |
Squamous-cell carcinoma | 16 | 17.2 | 29 | 19.0 | 0.86b |
SCLC | 4 | 4.3 | 6 | 3.9 | 1.00c |
Mediastinal tumor | 3 | 3.2 | 9 | 5.9 | 0.54c |
Other | 16 | 17.2 | 20 | 13.1 | 0.48b |
Unknown | 3 | 3.2 | 12 | 7.8 | 0.23c |
Stage at diagnosis | |||||
I | 26 | 28.0 | 43 | 28.1 | 1.00b |
II | 12 | 12.9 | 17 | 11.1 | 0.82b |
III | 26 | 28.0 | 32 | 20.9 | 0.45b |
IV | 25 | 26.9 | 41 | 26.8 | 0.66b |
Unknown | 4 | 4.3 | 20 | 13.1 | 0.02c |