Table 1.

Demographics and clinicopathologic features of 349 never-smoking female patients with lung adenocarcinoma

VariablesNo. of patients (%)
Age, y
 ≤303 (0.9)
 31–4013 (3.7)
 41–5060 (17.2)
 51–60147 (42.1)
 61–7082 (23.5)
 71–8044 (12.6)
 Mean ± SD (range)57.9 ± 10.3 (23–80)
Stage
 IA125 (35.8)
 IB81 (23.2)
 IIA26 (7.4)
 IIB7 (2.0)
 IIIA91 (26.1)
 IIIB8 (2.3)
 IV11 (3.2)
Differentiation
 Poor77 (22.1)
 Moderate175 (50.1)
 Well97 (27.8)
Histologic subtype
 AIS2 (0.6)
 MIA8 (2.3)
 Lepidic predominant34 (9.7)
 Acinar predominant183 (52.4)
 Papillary predominant54 (15.5)
 Micropapillary predominant6 (1.7)
 Solid predominant46 (13.2)
 IMA14 (4.0)
 Enteric predominant2 (0.6)
Total349