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Table 1 Demographics for the total cohort

From: Pre-operative beta-blocker therapy does not affect short-term mortality after esophageal resection for cancer

Variable Total cohort (n = 1466)
Patient characteristics
Age  
 Mean (SD) 65.0 (9.46)
 Median [Min, Max] 66.0 [0, 88.0]
Sex  
 Male 1181 (80.6%)
 Female 285 (19.4%)
ASA-classification  
 ASA-1 521 (35.5%)
 ASA-2 735 (50.1%)
 ASA-3 207 (14.1%)
 ASA-4 3 (0.2%)
CCI  
 <  = 4p 683 (46.6%)
 5–6p 650 (44.3%)
 >  = 7p 133 (9.1%)
Type of histology
 Adenocarcinoma 1159 (79.1%)
 Squamous cell carcinoma 307 (20.9%)
T-classification  
 Tx 135 (9.2%)
 T0 2 (0.1%)
 T1 98 (6.7%)
 T2 402 (27.4%)
 T3 773 (52.7%)
 T4 56 (3.8%)
N-classification  
 N0 794 (54.2%)
 N1 517 (35.3%)
 N2 98 (6.7%)
 N3 17 (1.2%)
 Nx 40 (2.7%)
M-classification  
 M0 1398 (95.4%)
 M1 30 (2.0%)
 Mx 38 (2.6%)
Thoracic surgical approach
 Right-sided thoracotomy 1129 (77.0%)
 Thoracoscopy 221 (15.1%)
 Other 116 (7.9%)
Neoadjuvant treatment
 Yes 952 (64.9%)
 No 508 (34.7%)
 Missing 6 (0.4%)