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Table 1 Patient demographic, Clinical, and preoperative data

From: Reliability and safety of minimally invasive esophagectomy after neoadjuvant chemoradiation: a retrospective study

  NCRT + MIE MIE alone
Age(mean) 47–70 (59.45) 44–73 (60.06)
Male/Female 38/6 47/16
Smoking history
 yes 35 (79.5%) 44 (69.8%)
 no 9 (20.5%) 19 (30.2%)
Drinking history
 yes 34 (77.3%) 42 (66.7%)
 no 10 (22.7%) 21 (33.3%)
COPD
 yes 5 (11.4%) 8 (12.7%)
 no 39 (88.6%) 55 (87.3%)
Location of primary tumor
 Upper thoracic 8 (18.2%) 10 (15.9%)
 Middle thoracic 33 (75%) 37 (58.7%)
 Lower thoracic 3 (6.8%) 16 (25.4%)
T-classification
 T1 0 8 (12.7%)
 T2 1 (2.3%) 34 (54.0%)
 T3 29 (65.9%) 21 (33.3%)
 T4 14 (31.8%) 0
N-classification
 N0 1 (2.3%) 36 (57.1%)
 N+ 43 (97.7%) 27 (42.9%)