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Table 1 Description of the included studies

From: Increased serum amyloid A as potential diagnostic marker for lung cancer: a meta-analysis based on nine studies

Authors Year All cases (control/cancer) Age (years) Gender (Male/female) (N) Histology of lung cancer (N) Tumor Stage of lung cancer
Control Lung cancer Control Lung cancer LAC LSCC SCLC Others
Benson MD [12] 1986 100 (50/50) 37 ± 1.9 61.1 ± 1.2 50/0 50/0 5 29 10 NA I-IV
Howard BA [13] 2003 34 (15/19) 50.7 (23–77) 22/12 17 2 0 NA
Khan N [14] 2004 50 (25/25) 62.9 (46–83) 66.1 (47–87) 16/9 16/9 9 6 NA 8 I-IV
Dai S [16] 2007 218 (43/175) NA NA NA NA 59 78 38 0 NA
Liu DH [17] 2007 275 (82/194) NA 65 (41–76) NA 135/58 65 97 31 0 I-IV
Cho WC [15] 2010 189 (35/154) NA 65.5 ± 0.9 NA 129/25 50 53 38 13 I-IV
Sung HJ [4] 2011 380 (140/240) 59 (37–84) 57 (32–79) 96/44 217/53 140 50 50 0 I–IV
Dowling P [18] 2011 109 (30/79) 56.5 ± 7 61 ± 9.3 15/15 31/24 36 17 26 0 IIIB–IV
Kanoh Y [9] 2013 37 (13/24) 62.6 (53–72) 66.2 (52–79) NA NA 24 0 0 I-IV
  1. NA unavailable; N cases; LAC lung adenocarcinoma; LSCC lung squamous cell carcinoma; SCLC small cell lung cancer