Table 2 Basic characteristics of included studies
Study object | Study type | Location | Sample size | Period | Median follow-up (months) | Stage | tumor size (mm) | Needle size | therapy | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PTNB | NPTNB | PTNB | NPTNB | PTNB | NPTNB | |||||||
Matsuguma, H. 2005 [3] | Cohort stud | Japan | 66 | 224 | 1986,10- 2000.12 | 80 | 80 | I | 23.8 | 29.0/39.5 | 18 gauge | Surgery |
Inoue, M. 2011 [2] | Cohort stud | Japan | 131 | 316 | 1992–2008 | 66.5 | 57.9 | I | 25 | 27 | 18 gauge | Surgery |
Asakura, K. 2012 [11] | Cohort stud | Japan | 124 | 197 | 2002.10- 2009.02 | 45 | 42 | I | 19 ± 9 | 25 ± 9 | 18 gauge | Surgery |
Flechsig. P. 2015 [10] | Cohort stud | Germany | 26 | 9 | 2003–2010 | 17 | 17 | I | Nr* | nr | 15 gauge | Surgery chemotherapy, radiotherapy |
Kashiwabara, K. 2016 [12] | Cohort stud | Japan | 63 | 86 | 2009.04- 2014.03 | 43.2 | 43.2 | I | 21 | 27 | 21 gauge | Surgery |
Moon, S.M. 2017 [7] | Cohort stud | Korea | 243 | 149 | 2009.01- 2010.12 | 54 | 51 | I | not sure | not sure | 18/20 gauge | Surgery |
Hu, C. 2018 [9] | Cohort stud | China | 66 | 256 | 2010.01- 2014.09 | not sure | not sure | I | 25 | 23 | 18 gauge | Surgery,chemotherapy |
Ahn, S. Y. 2019 [8] | Cohort stud | Korea | 540 | 270 | 2004.01- 2010.12 | 63.7 | 64.1 | I | 26 | 20 | 17–22 gauge | Surgery |