Table 2.
Patient Demographics Balancing Table
| Before matching (n = 3756) |
p | After matching (n = 1836) |
p | |||
|---|---|---|---|---|---|---|
| Total thyroidectomy (n = 2813), n (%) | Thyroid lobectomy (n = 943), n (%) | Total thyroidectomy (n = 918), n (%) | Thyroid lobectomy (n = 918), n (%) | |||
| Age, mean (SD) | 50.4 | 46.4 | <0.0001 | 46.6 | 46.2 | 0.5056 |
| Sex | ||||||
| Female | 2209 | 685 | 0.0002 | 665 | 665 | 1 |
| Male | 604 | 258 | 253 | 253 | ||
| Histology | ||||||
| Papillary | 2727 | 879 | <0.0001 | 879 | 879 | 1 |
| Follicular | 40 | 41 | 20 | 20 | ||
| Hurthle | 46 | 23 | 19 | 19 | ||
| ATA risk stratificationa | ||||||
| Low | 1940 | 728 | <0.0001 | 706 | 728 | 0.2144 |
| Intermediate | 873 | 215 | 212 | 190 | ||
| pT stagea | ||||||
| T1a | 1310 | 413 | 0.0136 | 413 | 413 | 1 |
| T1b | 968 | 309 | 303 | 303 | ||
| T2 | 535 | 221 | 202 | 202 | ||
| 131I therapy | ||||||
| Yes | 573 | 0 | <0.0001 | 0 | 0 | NA |
| No | 2 | 943 | 918 | 918 | ||
According to the American Joint Committee Cancer, Eighth edition.
NA, not applicable; SD, standard deviation.