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