Table 1.
Patient Demographics and Pre-Operative Management of Graves’ Disease
| Variable | KI not planned N=31 | KI planned N=28 | P |
|---|---|---|---|
| Age, mean ± SD, years | 46.6 ± 12.8 | 38.4 ± 14.1 | 0.02 |
| Sex, n (%) | 0.50 | ||
| Female | 22 (71.0) | 22 (78.6) | |
| Male | 9 (29.0) | 6 (21.4) | |
| Body Mass Index, mean ± SD | 32.6 ± 22.5 | 27.2 ± 5.0 | 0.42 |
| Smoker, n (%) | 6 (19.4) | 4 (14.3) | 0.60 |
| Prior treatment with radioactive iodine, n (%) | 1 (3.2) | 2 (7.1) | 0.49 |
| Anti-thyroidal Medication, n (%) | 0.71 | ||
| Methimazole | 24 (77.4) | 24 (85.7) | |
| Propylthiouracil | 2 (6.5) | 1 (3.6) | |
| None | 5 (16.1) | 3 (10.7) | |
| Pre-operative Beta-Blockade, n (%) | 12 (38.7) | 17 (60.7) | 0.09 |
| Pre-operative Pulse, mean ± SD | 75 ± 15 | 77 ± 13 | 0.41 |
| Pre-operative Systolic Blood Pressure, mean ± SD, mmHg | 122 ± 16 | 123 ± 16 | 0.85 |
| Pre-operative TSH, mean ± SD, uIU/mL | 0.49 ± 1.0 | 0.57 ± 1.1 | 0.33 |
| Pre-operative free T4, mean ± SD, ng/dL | 1.3 ± 0.6 | 1.1 ± 0.5 | 0.40 |
| Neve monitor, n (%) | 26 (83.9) | 28 (100) | 0.009 |
KI- Potassium Iodide, SD- standard deviation, TSH- Thyroid stimulating hormone, T4- thyroxine.