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Forest plot (left) and summary receiver operating characteristic curves (right)
Studies of parathyroid hormone threshold levels of a less than 15 pg/ml and b less than 10 pg/ml to identify postsurgical hypoparathyroidism (development of hypocalcaemia). Bivariate analysis summarized the sensitivity and specificity for each condition. TP, true positive; FP, false positive; FN, false negative; TN, true negative.
