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Table 4 Calculated diagnostic accuracy (sensitivity, specificity, positive and negative predictive values, accuracy) after resection of subcutaneous and intramuscular primary lesions, with 95% confidence intervals

From: Diagnostic value of MRI for detecting recurrent soft-tissue sarcoma in a long-term analysis at a multidisciplinary sarcoma center

Diagnostic accuracy Subcutaneous primaries Intramuscular primaries p-value (sig. < 0.05)
Sensitivity 83% (95% CI: 59–96%) 95% (95% CI: 82–99%) 0.26
Specificity 97% (95% CI: 95–98%) 98% (95% CI: 95–99%) 0.43
Positive predictive value 56% (95% CI: 41–69%) 81% (95% CI: 69–90%) 0.04
Negative predictive value 99% (95% CI: 98–100%) 99% (95% CI: 98–100%) 0.48
Accuracy 96% (95% CI: 94–98%) 97% (95% CI: 95–99%) 0.40