Table 1

Characteristics of 111 Patients with Stage I NSCLCa

CharacteristicNo. of patients (%)
Sex
 Male54 (49.0)
 Female57 (51.0)
Age
 Range28–88 years
 Mean ± SD64.7 ± 10 years
 Median65 years
History of smokingb76 (72.3)
Histologic subtype
 Adenocarcinoma36 (32.5)
 SCC40 (36.0)
 Bronchioalveolar carcinoma20 (18.0)
 Otherc15 (13.5)
Pathologic stage
 IA (T1, tumor < 3.0 cm in diameter)40 (36.0)
 IB (T2, tumor > 3.0 cm in diameter)71 (64.0)
Type of surgeryd
 Wedge resection10 (10.3)
 Segmentectomy10 (10.3)
 Lobectomy70 (72.2)
 Pneumonectomy7 (7.2)
Duration of follow-up, median69.3 months
  • a NSCLC, non-small cell lung cancer; SCC, squamous cell carcinoma.

  • b Data available for 105 of 111 patients.

  • c Includes patients with large-cell lung cancer, adenosquamous carcinoma, and NSCLC not otherwise specified.

  • d Data available for 97 of 111 patients.