Table 1 Characteristics of included studies*.
First author (y) | Ref. | Country | Duration | Subjects, n | Thyroid nodule type | DTC | NOS | Pre-operative sample collection |
|---|---|---|---|---|---|---|---|---|
Cho (2015) | Korea | 2004–2009 | 3870 | NH, TFA, PTC, MTC, TFC, HCC, PDTC, ATC | I-IV | 8 | 7–14 d | |
Kim (2014) | Korea | 2005–2012 | 6212 | WN, BN, PTC | I-IV | 8 | 1 m | |
Kim (2015) | Korea | 2011–2013 | 1066 | PTC | I-IV | 8 | 1 d | |
Kocer (2015) | Turkey | 2012–2014 | 232 | MNG, LT, LT-PTC, PTC | NR | 7 | NR | |
Lang (2014) | China | 2004–2012 | 469 | BN, PTC, PTC | I-IV | 7 | 1 d | |
Liu (2013) | China | 2008–2010 | 577 | BN, DTC | I-IV | 8 | 1 d | |
Liu (2015) | China | 2008–2013 | 841 | PTC, NG, TA | I-IV | 8 | 1–3 d |
