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Table 2 Quality of studies of symptomatic subjects

From: Validity of electron beam computed tomography for coronary artery disease: asystematic review and meta-analysis

Item Value Budoff et al. [15] Baumgart et al. [16] Seese et al. [17] Yao et al. [18] Chen et al. [19] Bielak et al. [20] Hosoi et al. [21] Budoff et al. [22] Almeda et al. [23] Knez et al. [24]
Patient recruitment NR: Not reported 1 1 1 1 1 1 1 1 NR 1
  1: Undergoing CAG for clinical indications           
Exclusion criteria NR: Not reported NR 1 NR NR 1 1 NR 1 NR NR
  1: History of CAD/revascularization           
Outcome defined 1: No 2 2 2 2 2 2 2 2 2 2
  2: Yes           
EBCT categories 1: Quartiles or pre-selected cut-offs 1 1 1 1 1 1 1 1 1 1
  2: Age – sex adjusted           
Outcome measurement blinded to EBCT score 1: No NR 2 NR NR 2 NR 2 2 NR 2
  2: Yes           
Demographic characteristics NR: Not reported 1 1 1 NR 1 1 1 1 1 1
  1: Reported           
Risk factors NR : Not reported NR NR NR NR 1 1 1 NR 1 1
  1: Reported (see Table 3)           
Adjusted results available 1: Yes but cannot be used in meta-analysis 1 NR NR NR 2 3 1 2 2 NR
  2: Yes at single cut-off and can be used in meta-analysis.           
  3: Yes at multiple cut-offs and can be used in meta-analysis           
Total Maximum: 13 6 8 5 4 11 10 9 10 7 8