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Table 4: Results of the qualitative image evaluation^{^a}
Assessment T1-Weighted BB (Mean) (95% CI) T1-Weighted Dixon (Mean) (95% CI) P (Intrareader Comparison)
Overall image quality 
 Reader 1 4.33 ± 0.71 (4.05–4.50) 4.45 ± 0.58 (4.25–4.58) .36
 Reader 2 4.22 ± 0.64 (3.98–4.36) 4.06 ± 0.58 (3.86–4.19) .07
 Mean 4.27 ± 0.68 (4.05–4.41) 4.25 ± 0.61 (4.13–4.40) .81
Artifacts 
 Reader 1 4.25 ± 0.69 (3.98–4.41) 4.57 ± 0.57 (4.36–4.71) .01^{^b}
 Reader 2 4.25 ± 0.72 (3.97–4.42) 4.16 ± 0.76 (3.86–4.30) .20
 Mean 4.25 ± 0.70 (4.03–4.39) 4.36 ± 0.70 (4.17–4.49) 0.17
Diagnostic confidence 
 Reader 1 4.22 ± 1.00 (3.70–4.43) 4.24 ± 0.74 (3.96–4.39) .90
 Reader 2 4.41 ± 0.80 (4.08–4.59) 3.96 ± 0.94 (3.55–4.14) < 0.001^{^b}
 Mean 4.31 ± 0.91 (3.98–4.49) 4.10 ± 0.85 (3.86–4.24) .04
Visual contrast enhancement 
 Reader 1 1.92 ± 1.23 (1.35–1.89) 1.92 ± 1.21 (1.36–1.89) 1.00
 Reader 2 1.84 ± 1.08 (1.36–1.84) 1.71 ± 0.90 (1.36–1.73) .007^{^b}
 Mean 1.88 ± 1.15 (1.36–1.87) 1.81 ± 1.07 (1.35–1.82) 0.11
↵a The results are listed separately per reader (reader 1 + reader 2) and as mean values between the readers, given as mean values with SDs and 95% confidence intervals.
↵b Significant differences between T1-weighted BB and T1-weighted Dixon (P < .05).