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Demographic and preoperative laboratory tests
| Mean | Std error | 95% Confidence interval for mean | 5% Trimmed mean | Median | Std deviation | Minimum | Maximum | ||
|---|---|---|---|---|---|---|---|---|---|
| Lower bound | Upper bound | ||||||||
| Age | 53.428 | 0.4012 | 52.641 | 54.215 | 53.579 | 54.000 | 14.1954 | 18.00 | 89.00 |
| Preoperative TSH | 1.562 | 0.0396 | 1.484 | 1.639 | 1.452 | 1.309 | 1.2442 | 0.0 | 7.0 |
| Preoperative serum calcium | 9.425 | 0.0144 | 9.397 | 9.453 | 9.412 | 9.400 | 0.4517 | 8.0 | 12.1 |
