Table 1.

Baseline demographics

Characteristic	Value
Age, yr	69.5 (55.0–72.3)
Sex
Female	3 (11.5)
Male	23 (88.5)
Smoking state
Current smoker	13 (50)
Former smoker	11 (42.3)
Never smoker	2 (7.7)
Smoking dose, pack-years	35 (25–50)
Time to symptom onset, mon	1.0 (0.5–2.0)
Presenting symptom
Cancer-related pain	5 (19.2)
Respiratory symptom	12 (46.2)
Abnormal chest radiograph	6 (23.1)
Constitutional symptom	3 (11.5)

Values are presented as median (interquartile range) or number (%).