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Table 3: 
Mean subjective image-quality scores (SD) and average combined scores with frequency of image-quality scores given for FBP and IMR imagesa
CombinedDR1DR2DR1 (Frequency)DR2 (Frequency)rICC
FBP2.3 (0.6)1.9 (0.8)2.8 (0.6)6/11/2/1/00/6/13/4/00.430.399
IMR3.6 (0.6)3.6 (0.8)3.7 (0.6)0/1/10/6/30/1/4/15/00.370.345
P value<.001<.001<.001
  • Note:—ICC indicates intraclass correlation coefficient; DR1, radiologist 1; DR2, radiologist 2.
  • ↵a Combined scores are in column 2. Scores are 1 (poor) to 5 (excellent).