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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Ann Thorac Surg. 2016 May 28;102(1):207–214. doi: 10.1016/j.athoracsur.2016.04.055

Table 1.

Presenting Characteristics

Characteristic N(%) or Mean (SD)
Age (yrs) 63.6 (+-9.5)
Male gender 3588 (83%)
Black race 155 (3.6%)
Body Mass Index (kg/m2)
 <18.5 118 (2.7%)
 >18.5 and <25.0 1340 (31.0%)
 >25.0 and <30.0 1587 (36.7%)
 >30.0 and <35.0 829 (19.2%)
 >35.0 447 (10.3%)
Smoking History
 Current 631 (14.6%)
 Former 2594 (60.0%)
 Never 1096 (25.4%)
Hypertension 2500 (57.9%)
Diabetes Mellitus (DM) 952 (22.0%)
Congestive heart failure 103 (2.4%)
Coronary artery disease 848 (19.6%)
Peripheral vascular disease 202 (4.7%)
Renal dysfunction* 55 (1.3%)
Corticosteroid use 67 (1.6%)
History of Induction therapy** 2930 (67.8%)
Zubrod Score
 0=Normal activity, no symptoms 936 (21.7%)
 1=Symptoms but fully ambulatory 3172 (73.4%)
 2=Symptoms, in bed<50% of time 185 (4.3%)
 3=Symptoms, in bed >50% of time 20 (0.5%)
 4=Bedridden 7 (0.2%)
 5=Moribund 1 (0.02%)
ASA Risk Classification
 I 15 (0.3%)
 II 667 (15.4%)
 III 3287 (76.1%)
 IV 350 (8.1%)
 V 2 (0.05%)
*

History of Cr>=2 or Dialysis dependency,

**

Treatment with chemotherapy or radiotherapy within 6 mos of surgery for esophageal cancer