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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%)