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Table 2 Accuracy of PV measured by different methods

From: Comparison of prostate volume measured by transabdominal ultrasound and MRI with the radical prostatectomy specimen volume: a retrospective observational study

Variable

Percentage error within

MAPE

± 10%

± 20%

± 30%

TAUS PV vs. specimen volume

34 (32%)

65 (61%)

85 (80%)

18.9%

MRI PV vs. specimen volume

45 (42%)

87 (82%)

103(97%)

13.2%

TAUS PV vs. MRI PV

36 (34%)

60 (57%)

88 (83%)

19.6%

  1. Values were presented as number of patients (%) or percentage; MRI, magnetic resonance imaging; MAPE, mean absolute percentage of error; PV, prostate volume; TAUS, transabdominal ultrasound.