Table 1.

Patient characteristics

Characteristics	Patient number	T1/T2	AD/SCC	Hb: ≥/< 13.1g/dL	Pulmonary function: normal/impaired
Age (years)
≥76	50	32/18	32/18	25/25	13/27
<76	41	28/13	30/11	21/20	17/34
Gender
Male	65	39/26	39/26	39/26	16/49
Female	26	21/5	23/3	7/19	14/12
Performance status
0	38	27/11	29/9	18/20	14/24
1	45	27/18	29/16	23/22	15/30
2	8	6/2	4/4	5/3	1/7
T stage
T1	60	–	42/18	29/31	21/39
T2	31	–	20/11	17/14	9/22
Histology
AD	62	42/20	–	29/33	22/40
SCC	29	18/11	–	17/12	8/21
Hb (g/dL)
Median (range)	13.1 (9.1–18.3)
≥13.1	46	29/17	29/17	–	9/37
<13.1	45	31/14	33/12	–	21/24
Pulmonary function
Normal	30	21/9	24/6	9/21	–
Impaired	61	39/22	38/23	37/24	–

AD, adenocarcinoma; Hb, hemoglobin; SCC, squamous cell carcinoma;

–, not applicable.