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Table 1 Clinical characteristics of 34 subjects

From: Changes in exercise capacity, muscle strength, and health-related quality of life in esophageal cancer patients undergoing esophagectomy

Variable  
Sex, male/female N = 26/8
Age, years (range) 67.3 ± 8.1 (50–84)
Height, cm 163.2 ± 7.9
Weight, kg 54.9 ± 7.6
Body mass index 20.6 ± 2.2
Smoking history N = 31
Squamous cell carcinoma/adenocarcinoma N = 33/1
Clinical stage, 0-I/II/III/IV N = 12/4/16/2
Lymphadenectomy, 1/2/3 fields N = 1/24/9
Preoperative adjuvant therapy N = 22
COPD N = 12
%VC 101.5 ± 14.1
%FEV1 94.0 ± 15.9
FEV1/FVC, % 73.0 ± 7.9
Open surgery/video-assisted thoracic surgery N = 31/3
Operation time, min 520 ± 90
Blood loss during surgery, ml 719 ± 456
Intensive Care Unit stay, days 1.3 ± 0.6
Timing of extubation, 0/1/2 postoperative days N = 23/9/2
Hospital stay after surgery, days 21.2 ± 15.0
Walking with support, postoperative days 1.9 ± 1.8
  1. Values are numbers (N) or mean ± SD. Total numbers of subjects are 34. COPD chronic obstructive pulmonary disease, VC vital capacity, FEV 1 forced expiratory volume in one second, FVC forced vital capacity