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Table 1: 
Distribution of suboptimal and acceptable image quality scores in the study and control groups
Image quality scoresReader 1Reader 2
SuboptimalAcceptableSuboptimalAcceptable
NI 8Noise—upper neck026026
Noise—shoulder323224
Diagnostic acceptability026026
NI 10Noise—upper neck026026
Noise—shoulder224323
Diagnostic acceptability026026
Fixed currentNoise—upper neck125125
Noise—shoulder323224
Diagnostic acceptability125125
  • Note:—NI indicates noise index.