Table 4.
Patients with incidental and non-incidental papillary thyroid microcarcinoma, all thyroid cancers and all papillary thyroid microcarcinoma cases in three equal time-periods
| NIPTMC | 52 (33.3%) | ||
| IPTMC | 104 (66.7%) | ||
| Period I (2008–2010) | Period II (2011–2013) | Period III (2014–2016) | |
| Number of cases in each period [n] | |||
| NIPTMC | 23 | 23 | 58 |
| IPTMC | 11 | 20 | 21 |
| TC | 86 | 133 | 174 |
| Percentage of PTMC in all TC cases in each period [%] | |||
| NIPTMC | 26.74% | 17.29% | 33.33% |
| IPTMC | 12.79% | 15.04% | 12.07% |
| PTMC | 39.53% | 32.33% | 45.40% |
| p | 0.0216 | 0.6176 | < 0.0001 |
Statistically significant differences are shown in italics
IPTMC incidental papillary thyroid microcarcinoma, NIPTMC non-incidental papillary thyroid microcarcinoma, PTMC papillary thyroid microcarcinoma, TC all thyroid cancers