Table 2: Outcomes in 91 PHP patients.

VariableOperative successOperative failure

Total856
Solitary adenoma690
Double adenoma42
MEN182
Carcinoma31
Waiting for remedial surgery (MGD)11
Biochemical
 iCa, mean (range) mmol/L1.64 (1.35–2.50)1.68 (1.51–2.06)
 tCa, mean (range) mg/dL12.0 (10.5–19.3)12.0 (10.6–13.4)
 iPTH, mean (range) pg/dL431.5 (80–2605)332.0 (74–1155)
Intraoperative results
 IOPTH mean decay (range)%80.5 (34.3–96.0)50.5 (32.4–84.1)
 IOPTH true-positive, N° (%)80 (87.9)0
 IOPTH true-negative, N°, (%)3 (3.3)4 (4.4)
 IOPTH false-positive, N°, (%)02 (2.2)
 IOPTH false-negative, N°, (%)2 (2.2)0