Study | Country | Setting | Method | N | Comparison | Prev (%) |
---|---|---|---|---|---|---|
European/North American | ||||||
 Bellentani et al. [12] | Italy | Population-based | USa | 67 | Lean NAFLD/all lean | 16.4 |
 Yououssi et al. [26] | USA | Population-based | US | 4457 | Lean NAFLD/all lean | 7.4 |
 Margariti et al. [29] | Greece | Tertiary clinic | US or biopsy | 162 | Lean NAFLD/all NAFLD | 11.7 |
 Chiloiro et al. [141] | Italy | Population-based | US | 2946 | Lean NAFLD/all lean | 8.1 |
 Cruz et al. [142] | USA | Hospital-based | Biopsy | 1090 | Lean NAFLD/all NAFLD | 11.5 |
 Denkmayr et al. [31] | Austria | Tertiary clinic | Biopsy | 466 | Lean NAFLD/all NAFLD | 15.9 |
 Hagström et al. [36] | Sweden | Hospital-based | Biopsy | 646 | Lean NAFLD/all NAFLD | 19.0 |
 Golabi et al. [37] | USA | Population-based | US or IONb | 5375 | Lean NAFLD/all lean i | 10.8 |
 Alferink et al. [143] | Netherlands | Population-based | US | 3882 | Lean NAFLD/all NAFLD | 9.9 |
 Zou et al. [38] | USA | Population-based | USFLIc | 4711 | Lean NAFLD/all NAFLD | 4.9 |
 Ahmed et al. [27] | USA | Hospital-based | Biopsy or imaging | 4834 | Lean NAFLD/all NAFLD | 8.6 |
 Younes et al. [33] | Multisite | Tertiary clinic | Biopsy | 1339 | Lean NAFLD/all NAFLD | 14.1 |
Middle Eastern | ||||||
 Akyuz et al. [144] | Turkey | Hospital-based | US or biopsy | 483 | Lean NAFLD/all NAFLD | 7.6 |
 Lankarani et al. [145] | Iran | Population-based | US | 819 | Lean NAFLD/all NAFLD | 16.4 |
South Asian | ||||||
 Singh et al. [15] | India | Tertiary clinich | US | 39 | Lean NAFLD/all NAFLD | 17.9 |
 Das et al. [146] | India | Population-based | US and CTd | 164 | Lean NAFLD/all NAFLD | 31.7 |
 Kumar et al. [147] | India | Hospital-based | US | 205 | Lean NAFLD/all NAFLD | 13.2 |
 Bhat et al. [148] | India | Tertiary clinic | US and LFTe | 150 | Lean NAFLD/all NAFLD | 15.3 |
 Singh et al. [149] | India | Tertiary clinic | US | 632 | Lean NAFLD/all NAFLD | 15.9 |
 Alam et al. [150] | Bangladesh | Population-based | US | 2782 | Lean NAFLD/all NAFLD | 14.5 |
 Niriella et al. [108] | Sri Lanka | Population-based | US | 936 | Lean NAFLD/all NAFLD | 12.8 |
 Rahman et al. [151] | Bangladesh | Population-based | US | 1305 | Lean NAFLD/all NAFLD | 4.1 |
 Choudhary et al. [152] | India | Tertiary clinich | Biopsy | 157 | Lean NAFLD/all lean | 33.5 |
East Asian | ||||||
 Kim et al. [14] | Korea | Population-basedh | US | 460 | Lean NAFLD/all lean | 16.1 |
 Hsiao et al. [153] | Taiwan | Hospital-based | US | 16,309 | Lean NAFLD/all lean | 32.1 |
 Goh et al. [154] | Malaysia | Hospital-basedh | US | 1621 | Lean NAFLD/all NAFLD | 10.6 |
 Feng et al. [155] | China | Hospital-basedh | US | 731 | Lean NAFLD/all lean | 18.3 |
 Fukuda et al. [156] | Japan | Population-basedh | US | 4629 | Lean NAFLD/all lean | 4.6 |
 Wang et al. [157] | China | Population-based | US | 4899 | Lean NAFLD/all lean | 12.7 |
 Yoshitaka et al. [158] | Japan | Hospital-basedh | US | 1647 | Lean NAFLD/all NAFLD | 22.1 |
 Shao et al. [159] | China | Hospital-based | US and MRI | 1509 | Lean NAFLD/all NAFLD | 20.2 |
 Wang [160] | Japan | Hospital-basedh | US | 10,064 | Lean NAFLD/ all lean | 5.4 |
Meta-analysis | ||||||
 Ye et al. [20] | Multinational | Multiple | US, CT, MRIf, CAPg, FLIh, HISi, LPAIj, or biopsy | 63,017 | Lean NAFLD/all lean | 10.6 |
 Shi et al. [21] | Multinational | Population-basedh | US | 55,936 | Lean NAFLD/all lean | 10.2 |