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Table 1 Patient characteristics

From: PD-L1, FGFR1, PIK3CA, PTEN, and p16 expression in pulmonary emphysema and chronic obstructive pulmonary disease with resected lung squamous cell carcinoma

Patient Characteristics No (%)
Patients 59
Median age (range) 72.7 (56–85)
Sex
 Male 50 (84.7)
 Female 9 (15.3)
Smoking history
 Ever 57 (96.6)
 Never 2 (3.4)
 Median pack year (range) 58.9 (0–184)
Histology
 Squamous cell carcinoma 59 (100)
Pathological stage
 I 38 (64.4)
 II 16 (27.1)
 III 4 (6.8)
 recurrence 1 (1.7)
Severity of emphysema
 mild 40 (67.8)
 moderate 14 (23.7)
 severe 5 (8.5)
Local severity of emphysema
 non 23 (39.0)
 presence 36 (61.0)
Presence of COPD
 No COPD 29 (49.2)
 COPD 30 (50.8)
Staging of GOLD
 GOLD1 37 (62.7)
 GOLD2 21 (35.6)
 GOLD3 1 (1.7)
  1. COPD chronic obstructive pulmonary disease, GOLD Global Initiative for Chronic Obstructive Lung Disease