Table 2. Total number of micropapillary carcinomas diagnosed among papillary thyroid carcinomas in Thrissur and Calicut medical colleges from 2010 to 2020 (females).
| Thrissur Medical College | ||||||||||||
| Year | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
| Number of micropapillary cancers (females) | 5 | 10 | 20 | 18 | 15 | 24 | 7 | 10 | 8 | 11 | 5 | 133 |
| Number of papillary cancers (females) | 46 | 34 | 82 | 92 | 83 | 101 | 54 | 39 | 48 | 59 | 21 | 659 |
| Proportion of micropapillary carcinomas (females) | 10.9 | 29.4 | 24.4 | 19.6 | 18.1 | 23.7 | 13.0 | 25.6 | 16.7 | 18.6 | 23.8 | 20.2 |
| Calicut Medical College | ||||||||||||
| Year | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
| Number of micropapillary cancers (females) | 6 | 11 | 15 | 9 | 12 | 13 | 15 | 17 | 16 | 18 | 11 | 143.0 |
| Number of papillary cancers (females) | 39 | 37 | 64 | 50 | 48 | 57 | 96 | 101 | 99 | 109 | 63 | 763 |
| Proportion of micropapillary carcinomas (females) | 15.3 | 29.8 | 23.4 | 18.0 | 25.0 | 22.8 | 15.6 | 16.8 | 16.2 | 16.5 | 17.5 | 18.8 |
| Cumulative numbers | ||||||||||||
| Number of micropapillary cancers (females) | 11 | 21 | 35 | 27 | 27 | 37 | 22 | 27 | 24 | 29 | 16 | 276 |
| Number of papillary cancers (females) | 85 | 71 | 146 | 142 | 131 | 158 | 150 | 140 | 147 | 168 | 84 | 1,422 |
| Proportion of micropapillary carcinomas (females) | 12.9 | 29.6 | 24.0 | 19.0 | 20.6 | 23.4 | 14.7 | 19.3 | 16.3 | 17.3 | 19.1 | 19.4 |