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Table 8 Overview of several criteria and assessment of the quality of reporting

From: Structured reporting to improve transparency of analyses in prognostic marker studies

ID Study Journal Markers Outcomes Variables Events for primary outcome Events for all outcomes reported Information on exclusionsa Subgroup analysisb
b1 Hayashi BCRT 1 1 3 Unknown No 3c  
b2 Huzell BCRT 1 2 7 100 Yes 3 2
b3 Jerzak BCRT 2 2 14 36 Yes 2  
c1 Billingsley Cancer 1 2 8 Unknown No 3  
c2 Huang Cancer 3 2 8 257 Yes 3 2
c3 Price Cancer 1 1 9 Unknown No 1 0
e1 Gonzalez-Vallinas EJC 1 1 9 22 Yes 2  
e2 Hokuto EJC 1 5 13 86 No 1  
e3 Thurner EJC 1 3 6 24 Yes 2 0
i1 Keck IJC 2 2 10 Unknown No 1 0
i2 Roedel IJC 2 4 7 27 Yes 1 1
i3 Schirripa IJC 3 1 11 Unknown No 1 0
j1 Martin JCO 2 1 8 6294 Yes 3 2
j2 Ostronoff JCO 2 6 10 Unknown No 2 2
j3 Xing JCO 1 1 9 338 Yes 1 2
  1. BCRT Breast Cancer Research and Treatment, EJC European Journal of Cancer, IJC International Journal of Cancer, JCO Journal of Clinical Oncology
  2. aCompleteness of information on exclusions: 3, exclusion criteria and number of exclusions known; 2, exclusion criteria listed, but number of excluded patients unknown; and 1, exclusion criteria not listed
  3. bSubgroup analysis: 2, subgroup analyses performed and sample size and number of events given for at least one subgroup analysis; 1, subgroup analyses performed and sample size given for at least one subgroup analysis, but number of events not known; and 0, subgroup analyses performed, but no sample size or number of events given
  4. cNote: reference to a previous study by the authors is required