Table 1 Characteristics of studies contained in the meta-analyses
From: Association of serum ferritin with non-alcoholic fatty liver disease: a meta-analysis
Study, year | Country | Number[Male/Female, mean age(years)] | Study design | Categories of NAFLD [Male/Female] | Definition | Additional information | NOS(0–9) | ||
|---|---|---|---|---|---|---|---|---|---|
case | Control | NAFL(number) | NASH(number) | ||||||
Natasha Chandok, 2011 | Canada | 88 | NA | prospective study | 60 (37/23) | 28 (13/15) | liver biopsy | NA | 6 |
Kikuko Hotta, 2010 | Japan | 253 (122/131,51) | 578 (182/396,47) | case-control | 64 (23/41,51) | 189 (99/90,51) | liver biopsy. | NA | 6 |
T-J Hsiao, 2004 | Taiwan, China | 43 (20/23,33) | 167 (27/140,36) | case-control | NA | NA | Ultrasonography | obese | 7 |
George BB Goh 2015 | USA | 405 (179/226,48) | NA | prospective study | 114 (52/62,46) | 291 (127/164,49) | liver biopsy. | NA | 6 |
Michelino Di Rosa, 2013 | Italy | 200 (92/108) | 100 (48/52,54.2) | case–control | 90 (43/47,49) | 110 (49/61,53) | Liver biopsy | NA | 7 |
Ali Sazci,2008 | Turkish | 57 (31/26,44) | 245 (106/139,45) | Case-control | NA | 57 (31/26,44) | liver biopsy | NA | 6 |
Youzhao Jiang, 2014 | China | 446 (351/95,46) | 531 (201/330,42) | cross-sectional | NA | NA | liver biopsy. | NA | 6 |
Hiroyuki Tsuchiya,2010 | Japan | 28 | 8 (30) | Case-control | 17 (46) | 11 (50) | liver biopsy | NA | 6 |
Masato Yoneda, 2010 | Japan | 86 | 20 | Case-control | 24 (48) | 62 (52) | liver biopsy. | NA | 5 |
Zeljko Puljiz, 2010 | Croatia | 50 (32/18,43) | NA | prospective study | 35 | 15 | liver biopsy. | NA | 5 |
B.Canbakan, 2007 | US | 105 (54/51) | NA | prospective study | 38 (17/21) | 67 (37/30) | liver biopsy | NA | 4 |
Demircioğlu F,2014 | Turkey | 30 (19/11,12) | 50(17/33,12) | case–control | NA | NA | ultrasonography | obese | 6 |
Nobili V, 2013 | Italy | 100 (68/32,11) | NA | case–control | 70 (51/19,11) | 30 (17/13,11) | liver biopsy. | NA | 5 |
Alkhouri N, 2015 | USA | 117 (78/39,12) | NA | case–control | 49 (30/19,12) | 68 (48/20,13) | liver biopsy. | NA | 5 |