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Table 1 General clinical data of all the patients

From: Clinical study of systemic chemotherapy combined with bronchoscopic interventional cryotherapy in the treatment of lung cancer

Characters Test group (n = 208) Control group (n = 204)
Age group, years
  < 60 96 (46.2%) 95 (46.6%)
  ≥ 60 112 (53.8%) 109 (53.4%)
Gender
 Male 135 (64.9%) 124 (60.8%)
 Female 73 (35.1%) 80 (39.2%)
Smoking history
 Never smoker 29 (13.9%) 23 (11.3%)
 Former smoker 81 (39.0%) 88 (43.1%)
 Current smoker 98 (47.1%) 93 (45.6%)
KPS score
 60–75 80 (38.5%) 84 (41.2%)
  > 75 128 (61.5%) 120 (58.8%)
Metastasis
 Yes 99 (47.6%) 96 (47.1%)
 No 109 (52.4%) 108 (52.9%)
Disease staging
 I-II 113 (54.3%) 106 (52.0%)
 III-IV 95 (45.7%) 98 (48.0%)
Classification
 SCLC 44 (21.2%) 40 (19.6%)
 NSCLC 164 (78.8%) 164 (80.4%)
NSCLC type
 LADC 109 (66.5%) 108 (65.9%)
 LSCC 55 (33.5%) 56 (34.1%)
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