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Table 1 The characteristics of these 7 studies

From: Is fluorine-18 fluorodeoxyglucose positron emission tomography useful for the thyroid nodules with indeterminate fine needle aspiration biopsy? a meta-analysis of the literature

Study Year Country Design Modality No. of patients Male/Female Age (Mean ± SD)
Kresnik [10] 2003 Austria NR PET 37 8/29 55.1 ± 13.8
de Geus-Oei [11] 2006 Netherlands Prospective PET 44 3/41 48.5 ± 13.8
Sebastianes [12] 2007 Brazil NR PET 42 4/38 45.3 ± 16.3
Hales [13] 2008 America Prospective PET/CT 15 1/14 47.5 ± 14.9
Smith [14] 2008 America Prospective PET 23 7/16 50*
Traugott [15] 2010 America Prospective PET, PET/CT 51 10/41 49.6 ± 10.6
Deandreis [16] 2012 France Prospective PET/CT 55 13/42 50.7 ± 10.5
  1. NR  not reported, SD  the standard deviation; * The SD of the study was not reported.