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Table 3 Comparison of CPDS and DMSA results in children of different age groups (B)

From: New strategy of color and power doppler sonography combined with DMSA in the assessment of acute pyelonephritis in infants

Group Group 1(< 6 M) Group 2(6 M ~ <1Y) Group 3(1Y ~ <3Y)
Group DMSA + DMSA - Total DMSA + DMSA - Total DMSA + DMSA - Total
CPDS + 33 19 52 16 11 27 17 9 26
(SEN 56.9%; PPV 63.4%) (SEN 84.2%; PPV 59.2%) (SEN 94.4%; PPV 65.4)
CPDS - 25 15 40 3 4 7 1 5 6
(SPE 44.1%; NPV 37.5%) (SPE 26.7%; NPV 57.1%) (SPE 35.7%; NPV 83.3%)
Total 58 34 92 19 15 34 18 14 32
  1. + Positive, Negative, SEN Sensitivity, SPE Specificity, PPV Positive predictive value, NPV Negative predictive value