Table 2.
Statistics for the parathyroid gland parameters in the two groups.
| NIRAF group | control | ||
|---|---|---|---|
| Parathyroid detected during surgery(n) | Total | 195 | 161 |
| Superior parathyroid | 100(51.3%) | 85(52.8%) | |
| type A | 51 | 41 | |
| type B | 49 | 44 | |
| in paraffin section | 0 | 4 | |
| Inferior parathyroid | 95(48.7%) | 76(47.2%) | |
| type C1 | 3 | 1 | |
| type C2 | 18 | 16 | |
| type C3 | 15 | 13 | |
| type C4 | 8 | 9 | |
| type C5 | 4 | 2 | |
| type D1 | 4 | 1 | |
| type D2 | 16 | 9 | |
| type D3 | 12 | 14 | |
| type D4 | 11 | 8 | |
| type D5 | 4 | 3 | |
| in paraffin section | 1 | 6 | |
| Inadvertently removed/Total(%) | 0.5%(1/196) | 5.8%(10/171) | |
| Proportion of patients with parathyroid inadvertently removed(%) | 2.0%(1/50) | 18.0%(9/50) | |
| Parathyroid transplanted during surgery (n) | Total | 3 | 20 |
| Superior parathyroid | 1 | 5 | |
| Inferior parathyroid | 2 | 15 | |
| Transplanted/Total(%) | 1.5%(3/196) | 11.7%(20/171) | |
| Proportion of patients with parathyroid transplantation(%) | 6.0%(3/50) | 34.0%(17/50) | |