Table 2 Characteristics of the five included EUC studies
From: Imaging in assessing hepatic and peritoneal metastases of gastric cancer: a systematic review
Study (year, reference) | County | No. of patients | Transducer frequency (MHz) | Interpreter(s) | Reference standard |
|---|---|---|---|---|---|
Ozmen 2003 [27] | United States | 48 | NCD | NCD | Histological examination |
Chu 2004 [30] | United States | 402 | 12 | An author of the study | Histopathologic examination |
Tio 1990 [31] | United States | 84 | 7.5 or 12 | NCD | Surgical and pathological examization. |
Chen 2002 [32] | United States | 65 | 7.5 or 12 | An author of the study | Surgical and pathological findings |
Lee 2005 [33] | United Kingdom | 301 | 7.5 or 12 | Experienced radiologists | Surgery, histopathology or cytology |