“…Table 2(b) contains the data of esophageal adenocarcinoma, with a total of 308,772 patients, including 7,687 patients in the case group and 301,085 patients in the control group. Furthermore, 14 studies involved esophageal adenocarcinoma [18, 19, 28, 39–42, 46, 48, 50, 53–56], 15 studies involved esophageal squamous cell carcinoma [17, 27, 29–34, 36–38, 44, 45, 47, 51], and 6 studies involved both types [20, 26, 35, 43, 49, 52]. According to the Newcastle-Ottawa Scale, sixteen studies were ranked as very good [17, 19, 20, 26, 29, 32, 33, 35, 39, 40, 43, 44, 48–50, 56], seventeen as good [18, 28, 31, 34, 36–38, 41, 42, 45–47, 51–55], and two as satisfactory [27, 30] ().…”