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Table 1 Baseline characteristics for study participants (N = 27)

From: Preoperative endoscopic titanium clip placement facilitates intraoperative localization of early-stage esophageal cancer or severe dysplasia

  Experimental group Control group
(N = 14) (N = 13)
Age, year, mean ± SD 61.5 ± 6.1 62.3 ± 5.5
Gender
 Male, N (%) 10 (71.4%) 8 (61.5%)
Type of esophageal lesion, N (%)
 Squamous cell carcinoma 14 (100%) 11 (84.6%)
 Severe dysplasia 0 (0%) 2 (15.4%)
Location of esophageal lesion, N (%)
 Middle segment 12 (85.7%) 8 (61.5%)
 Lower segment 2 (14.3%) 5 (38.5%)
Tumor staging, N (%)
 T1a 1 (7.1%) 3 (23.1%)
 T1b 13 (92.9%) 10 (76.9%)