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 |