Investigating the effectiveness of intraoperative rapid parathyroid hormone assay in parathyroidectomy surgery in patients with secondary hyperparathyroidism

Table 2 Comparison of parathyroid hormone (PTH) levels of the patients at different times

Check Points	Mean ± SD (pg/mL)	P-value^a	Time	P-value^a
T1: Baseline PTH	1952.39 ± 484.37	1 vs. 2: 0.052	Time 2	Time 2 vs. 3: < 0.001
T2: Operation time PTH	1739.500 ± 520.32	1 vs. 2: 0.052	Time 2
T3: 10 min PTH	437.344 ± 190.27	3 vs. 4: < 0.001	Time 3
T4: 20 min PTH	260.874 ± 142.84	3 vs. 4: < 0.001	Time 3	Time 3 vs. 4: < 0.001
T5: 24-h PTH	27.936 ± 25.66	5 vs. 6: < 0.001	Time 4
T6: 6-month PTH	32.133 ± 12.707	5 vs. 6: < 0.001	Time 4

SD Standard deviation
^aRepeated measure analysis of variance (ANOVA) was used to assess the significance

ISSN: 1472-6823