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Table 2 Baseline data after propensity score matching

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 = 43) t/χ2 P
Sex (male / female) 26/17 23/20 0.653 0.514
Age (year) 46.7 ± 5.3 47.4 ± 6.1 0.518 0.606
Weight (kg) 57.37 ± 6.72 59.21 ± 7.16 1.229 0.223
BMI (kg/m2) 23.28 ± 3.83 24.42 ± 4.64 1.423 0.218
Nutritional status (n) 0.684 0.494
 Good 16 13
 Poor 27 30
Airway obstruction (n) 0.453 0.651
 Mild 14 16
 Severe 29 27
Site of airway obstruction (n) 1.841 0.065
 Trachea 18 10
 Right and left main bronchus 25 33
Pathological type (n) 0.434 0.805
 Squamous cell carcinoma 11 10
 Adenocarcinoma 15 13
 Large cell carcinoma 12 14
 Small cell carcinoma 5 6
Concomitant disease (n, %)
 Hypertension 13 (30.23) 12 (27.91) 0.238 0.812
 Anemia 14 (32.56) 13 (30.23) 0.232 0.816
TNM staging (n) 0.632 0.729
 II 7 9
 III 14 11
 IV 22 23