Table 3.

Table of odds ratios, 95% confidence intervals and p-values for surgeon-performed ultrasound, department-performed ultrasound and ^99mTc-sestamibi-SPECT/CT as determined by univariate logistic regression analysis.

	Surgeon-performed ultrasound		Department-performed ultrasound		99mTc-sestamibi-SPECT/CT
Variable	OR (95% CI)	p	OR (95% CI)	p	OR (95% CI)	p
Length of stay in hospital	0.54 (0.30–0.96)	0.035	1.01 (0.68–1.51)	0.959	1.58 (0.50–4.92)	0.434
Pre-operative Ca++	0.32 (0.02–4.15)	0.383	0.72 (0.06–8.22)	0.791	1.04 (0.03–39.0)	0.982
Post-operative Ca++	9.40 (0.13–651)	0.300	9.57 (0.20–452)	0.251	0.50 (0.01–164)	0.814
PTH	0.98 (0.97–1.01)	0.167	0.99 (0.98–1.01)	0.898	1.01 (0.98–1.04)	0.514
Female (referent)	1		1
Male	0.22 (0.04–1.24)	0.087	0.44 (0.09–2.07)	0.297	1.31 (0.12–14.1)	0.825
Age	1.02 (0.97–1.07)	0.491	1.01 (0.97–1.06)	0.617	1.01 (0.94–1.09)	0.770
Left superior adenoma (referent)	1	–	1	–	1	–
Right superior adenoma	0.77 (0.02–27.6)	0.886	–a	–	0.02 (0.01–1.99)	0.089
Left inferior adenoma	1.40 (0.12–16.9)	0.788	1.18 (0.14–10.2)	0.881	0.48 (0.05–4.32)	0.514
Right inferior adenoma	0.42 (0.04–4.61)	0.478	0.78 (0.09–6.85)	0.819	1.24 (0.46–3.31)	0.666

PTH: parathyroid hormone; OR: odds ratio; CI: confidence interval.

^aNot enough data for analysis. Significant results are shown in bold.