Diagnostic accuracy of ≥ 16-slice spiral computed tomography for local staging of colon cancer: A systematic review and meta-analysis

Table 4 Diagnostic results of included studies

Ref.	A1	A2	A3	A4	A5	A6	A7	A8	A9	A10	A11	A12	A13	A14	A15	A16	A17	A18	A19	A20
Tezcan et al[15]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	N	Unclear
Rollven et al[16]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	Y	Unclear
da Fonte et al[17]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	Y	Unclear
Sibileau et al[18]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	Y	Unclear
Hunter et al[19]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	Y	Y	Y	N	Y	Y	Y	Unclear
Sibileau et al[18]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	N	Unclear
Maupoey et al[21]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	Y	Unclear
Dighe et al[22]	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	Y	Unclear
Lao et al[23]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	N	Unclear
Flor et al[24]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	Y	Y	Y	N	Y	Y	Y	Unclear
Malmstrøm et al[25]	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Unclear	Y	N	Y	Y	N	Y	Y	N	Unclear

A1-A20 in the table correspond to the 20 items in the IHE quality assessment checklist, namely, A1: Were the hypotheses/aims/objectives of the research clearly stated in the abstract, introduction and methodology? A2: Were the characteristics of the participants included in the research described? A3: Were the cases collected from multiple centers? A4: Are the entry eligibility criteria (inclusion and exclusion criteria) clear and appropriate? A5: Were the participants recruited continuously? A6: Were the participants involved in the study at the similarity of the disease? A7: Were the interventions clearly described in the research? A8: Were additional interventions (combined interventions) clearly reported in the research? A9: Was the results measurement clearly defined in the introduction or the method section? A10: Were the relevant results appropriately measured by objective and/or subjective methods? A11: Were the results measured before and after the interventions? A12: Were the statistical tests used to assess the relevant results appropriate? A13: Were the lengths of follow-ups reported? A14: Were the losses reported with follow-ups? A15: Was the random variability of the data analysis on the relevant results assessed in the research? A16: Were the adverse events reported? A17: Were the conclusions of the research supported by the results? A18: Were the interest conflicts and supporting sources of the research reported? A19: Is this study prospective? A20: Are the major assessment results irrelevant to the intervention status?