Odds of bilateral versus unilateral neck exploration
| Model* | OR (95% CI) | p value |
|---|---|---|
| Group I v. group II | ||
| Group I | 0.45 (0.25–0.81) | 0.008 |
| Group II | 0.48 (0.23–1.03) | 0.06 |
| SPECT v. SPECT + ultrasonography | ||
| SPECT | 0.40 (0.19–0.84) | 0.015 |
| SPECT + ultrasonography | 0.38 (0.15–0.96) | 0.043 |
| SPECT/CT v. SPECT/CT + ultrasonography | ||
| SPECT/CT | 3.78 (0.46–31.1) | 0.22 |
| SPECT/CT + ultrasonography | 2.93 (0.18–46.5) | 0.31 |
CI = confidence interval; CT = computed tomography; OR = odds ratio; SPECT = single photon emission computed tomography.
↵* Model adjusted for age, sex, preoperative calcium, intraoperative parathyroid hormone (PTH) monitoring, preoperative PTH level, size of adenoma, and type of adenoma (solitary v. nonsolitary).