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Table 1 Preoperative demographic data

From: The value of endobronchial cryotherapy in the management of malignant endobronchial obstruction in patients with inoperable NSCLC: a prospective analysis of clinical and survival outcomes

Variable Group A (n=30) Group B (n=30) P value
Age 56.73±8.5 59.4±12 0.5
Gender (male) 18 (60%) 14 (46.7%) 0.5
Comorbidities Hypertension 21 (70%) 19 (63.3%) 0.6
Diabetes mellitus 7 (23.3%) 8 (26.7%)
COPD 9 (30%) 6 (20%)
Special habits Current smoker 8 (27%) 10(33%)  
Ex-smoker 10 (33%) 10 (33%)
Bird breader 8 (27%) 8 (27%)
No special habits 4 (13%) 2 (7%)