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Table 1 Clinical data

From: Clinical efficacy of argon plasma coagulation combined with cryotherapy for central airway stenosis caused by lung cancer

Group Control group (n = 43) Observation group (n = 134) t/χ2 P
Gender (male / female) 26/17 73/61 0.668 0.491
Age (year) 46.7 ± 5.3 45.2 ± 4.8 1.739 0.084
Weight (kg) 57.37 ± 6.72 58.51 ± 7.29 0.909 0.365
BMI (kg/m2) 23.28 ± 3.83 21.36 ± 4.32 2.604 0.010
Nutritional status (n) 1.801 0.072
 Good 16 63
 Poor 27 71
Airway obstruction (n) 2.879 0.004
 Mild 14 31
 Severe 29 103
Site of airway obstruction (n) 0.505 0.613
 Trachea 18 62
 Right and left main bronchus 25 72
Pathological type (n) 0.513 0.736
 Squamous cell carcinoma 11 28
 Adenocarcinoma 15 37
 Large cell carcinoma 12 42
 Small cell carcinoma 5 27
Concomitant disease (n, %)
 Hypertension 13 (30.23%) 65 (48.51%) 2.100 0.036
 Anemia 14 (32.56%) 36 (26.87%) 0.721 0.471
TNM staging (n) 0.348 0.625
 II 7 21
 III 14 48
 IV 22 65