Table 4

Cutoff values of platelet diameters for distinguishing IT with normal or slightly decreased platelet size

CutoffAUCSensitivity %95% CISpecificity %95% CI
MPD μm <2.62 0.9217 83 58 to 96 90 87 to 93 
PDDW μm <2.85 0.8333 78 52 to 93 83 79 to 86 
PDLCR % <9.62 0.9202 94 71 to 100 80 76 to 84 
PDSCR % >2.11 0.8763 83 58 to 96 86 82 to 89 
MPD μm and PDLCR % <2.62 and <7.21 0.9852 96 87 to 99 93 90 to 95 
CutoffAUCSensitivity %95% CISpecificity %95% CI
MPD μm <2.62 0.9217 83 58 to 96 90 87 to 93 
PDDW μm <2.85 0.8333 78 52 to 93 83 79 to 86 
PDLCR % <9.62 0.9202 94 71 to 100 80 76 to 84 
PDSCR % >2.11 0.8763 83 58 to 96 86 82 to 89 
MPD μm and PDLCR % <2.62 and <7.21 0.9852 96 87 to 99 93 90 to 95 

AUC, sensitivity and specificity of best cutoff levels for MPD, PDDW, PDLCR, and PDSCR identified by receiver operating characteristic analysis in discriminating WAS/XLT, CYCS-RT, CAMT, and TAR from all other forms of thrombocytopenia.

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