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Table 1 Characteristics of patients in the two groups

From: Comparison of sedation between the endoscopy room and operation room during endoscopic submucosal dissection for neoplasms in the upper gastrointestinal tract

  Group E Group O P value
Number of patients (N) 196 101  
Age (years) 73.6 ± 8.2 72.5 ± 9.1 0.26
Sex, male 138 (70.4%) 78 (77.2%) 0.22
Drinking 64 (32.6%) 34 (33.7%) 0.90
Smoking 59 (30.1%) 39 (38.6%) 0.15
BMI (kg/m2) 22.2 ± 3.1 22.9 ± 3.1 0.06
ASA classification I-II 187 (95.4%) 97 (96.0%) 1.00
Comorbidity
 Cardiovascular diseases 33 (16.8%) 18 (17.8%) 0.87
 Cerebrovascular diseases 23 (11.7%) 12 (11.9%) 1.00
 Chronic kidney diseases 6 (3.1%) 8 (7.9%) 0.08
 Chronic liver damage 9 (4.6%) 4 (4.0%) 1.00
 Diabetes mellitus 40 (20.4%) 29 (28.7%) 0.11
 Hypertension 113 (57.6%) 62 (61.4%) 0.62
  1. Group E: patients who underwent endoscopic submucosal dissection in the endoscopy room, Group O: patients who underwent endoscopic submucosal dissection in the operation room, BMI body mass index, ASA American Society of Anesthesiologists. Values presented as mean ± standard deviation or n (%)