Table 1.
Study characteristics.
| Refs | Location | Urban/ Rural |
Clinical/Nonclinical | Diagnostic criteria | Methods | Subjects No (male/female) |
MCI No. (male/female) |
Prevalence (%) |
|---|---|---|---|---|---|---|---|---|
| 24 | Shanghai(E) | U | N | DSM-IV | S | 1516 | 147 | 9.70(8.21-11.11) |
|
| ||||||||
| 25 | Sichuan(W) | U+R | N | Petersen, 1999 | S&D | 3910(1923/1987) | 92(35/58) | 2.40(1.88-2.80) |
| 26 | Guangdong(E) | U | N | self-summarized diagnostic criteria | S | 410(144/266) | 88(37/51) | 21.46(17.49-25.23) |
|
| ||||||||
| 27 | Beijing(E) | U+R | N | Petersen, 1999 | S&D | 1865(897/968) | 217(97/120) | 11.60(10.18-13.02) |
| 28 | Guangdong(E) | U+R | N | Petersen, 1999 | S&D | 4697(1933/2764) | 257(67/190) | 5.47(4.82-6.09) |
|
| ||||||||
| 29 | Guizhou(W) | U+R | N | self-summarized diagnostic criteria | S | 4535(1842/2577) | 680(241/439) | 14.99(13.96-15.98) |
|
| ||||||||
| 30 | Shanxi(W) | U | N | self-summarized diagnostic criteria | S | 2895(1450/1445) | 220(100/120) | 7.60(6.63-8.52) |
| 31 | Zhejiang(E) | U | N | the International Working Group on Mild Cognitive Impairment, 2003 | S | 925(376/549) | 195(134/61) | 21.10(18.45-23.58) |
|
| ||||||||
| 32 | Xinjiang (W) | U | N | DSM-IV | S&D | 1511(686/825) | 148(62/86) | 9.79(8.3-11.22) |
| 33 | Xinjiang (W) | U | N | DSM-IV | S&D | 2986(1435/1551) | 205(134/171) | 10.21(5.96-7.73) |
|
| ||||||||
| 34 | 22 Provinces (W+E) | U+R | N | self-summarized diagnostic criteria | S | 2161 | 571 | 26.42(24.56-28.19) |
| 35 | Zhejiang (E) | U | N | DSM-IV | S | 1227(536/691) | 107(42/65) | 10.68(7.14-10.22) |
| 36 | Jiangsu (E) | U | N | Petersen, 1999 | S | 1773(784/989) | 243(80/163) | 13.71(12.1-15.22) |
|
| ||||||||
| 37 | Hainan (E) | U+R | N | Petersen, 1999 | S | 7665(3590/4156) | 326(136/190) | 4.25(3.80-4.68) |
|
| ||||||||
| 38 | Guangdong (E) | unclear | C | DSM-IV | S | 454(314/140) | 337(239/98) | 74.23(70.21-78.05) |
| 39 | Zhejiang (E) | U+R | N | Petersen, 1999 | S | 2164(992/1172) | 310(111/199) | 14.33(12.85-15.73) |
|
| ||||||||
| 40 | Shaanxi (W) | U | N | Petersen, 1999 | S&D | 264(134/130) | 35(19/16) | 13.26(9.17-17.14) |
| 41 | Nei Monggol (W) | U+R | N | DSM-IV | S&D | 9266(4009/5257) | 1782(685/1094) | 19.48(18.43-19.99) |
|
| ||||||||
| 42 | Zhejiang (E) | U | N | Petersen, 1999 | S&D | 897(434/463) | 154(53/101) | 17.17(14.7-19.51) |
| 43 | Jiangxi (E) | U+R | N | Petersen, 1999 | S | 399(185/214) | 41(24/17) | 10.28(7.30-13.10) |
|
| ||||||||
| 44 | Guangdong (E) | U | N | Petersen, 1999 | S&D | 2279(1112/1167) | 167(77/90) | 7.33(6.26-8.34) |
| 45 | Shaanxi (W) | U | N | Chinese prevention and treatment of cognitive dysfunction, 2006 | S | 1583(796/787) | 396 | 25.02(22.88-27.04) |
|
| ||||||||
| 46 | Ningxia (W) | U+R | N | Chinese prevention and treatment of cognitive dysfunction, 2006 | S | 2168(893/1275) | 457(115/342) | 21.08(19.36-22.71) |
|
| ||||||||
| 47 | Hunan (E) | R | N | DSM-IV | S&D | 1367(678/689) | 139(65/74) | 10.17(8.57-11.69) |
| 48 | Shandong (E) | U | N | diagnostic criteria summarized by Qian, 2009 | S&D | 1226(573/653) | 115(47/68) | 9.38(7.75-10.93) |
|
| ||||||||
| 49 | Hubei (E) | unclear | C | self-summarized diagnostic criteria | S | 597(427/170) | 79 | 13.23(10.51-15.81) |
|
| ||||||||
| 50 | Xinjiang (W) | unclear | C | self-summarized diagnostic criteria | S | 598(428/170) | 69(38/31) | 11.54(8.98-13.97) |
| 51 | Hebei (E) | U | C | Petersen, 1999 | S | 2532 | 200 | 7.90(6.85-8.90) |
|
| ||||||||
| 52 | Shaanxi (W) | U | N | Petersen, 1999 | S | 796(261/535) | 145(40/105) | 18.22(15.53-20.76) |
| 53 | Ningxia (W) | U | N | Chinese prevention and treatment of cognitive dysfunction, 2006 | S | 1033(394/6390 | 199(49/150) | 19.26(16.86-21.55) |
| 54 | Beijing (E) | U | N | Petersen, 1999 | S&D | 1020(374/646) | 160(61/99) | 15.70(13.45-17.80) |
| 55 | Tianjin (E) | U | N | DSM-IV | S | 2798(1314/1664) | 339(115/224) | 11.38(10.91-13.26) |
|
| ||||||||
| 56 | Jiangsu (E) | U | N | the International Working Group on Mild Cognitive Impairment, 2003 | S | 2460(1131/1239) | 450(186/264) | 18.29(16.76-19.74) |
| 57 | Zhejiang (E) | U | N | self-summarized diagnostic criteria | S | 1211(582/629) | 251(84/167) | 20.70(18.44-22.89) |
| 58 | Henan (E) | U | N | Petersen, 1999 | S | 1755(724/1051) | 245(76/169) | 13.96(12.34-15.50) |
|
| ||||||||
| 59 | Anhui (E) | unclear | C | Chinese prevention and treatment of cognitive dysfunction, 2006 | S | 679(301/378) | 92(42/50) | 13.55(10.98-15.99) |
| 60 | Zhejiang (E) | U | N | Petersen, 1999 | S | 1906(921/985) | 318(143/175) | 16.68(15.01-18.27) |
|
| ||||||||
| 61 | Hunan (E) | U | N | DSM-IV | S&D | 1764(777/987) | 229(112/175) | 16.27(11.41-14.47) |
| 62 | 5 Provinces (W+E) | U+R | N | Petersen, 1999 | S&D | 10276(4379/5897) | 2137 | 20.80(20.01-21.54) |
|
| ||||||||
| 63 | Shanghai (E) | U | N | Petersen, 1999 | S | 4086(1430/2656) | 612(178/434) | 14.98(13.88-16.02) |
| 64 | Shanghai (E) | U | N | Petersen, 1999 | S&D | 3141(1438/1703) | 601(262/339) | 20.20(17.76-20.44) |
|
| ||||||||
| 65 | Shanghai (E) | U | N | the International Working Group on Mild Cognitive Impairment, 2003 | S | 1059(489/570) | 137(65/72) | 12.90(10.92-14.85) |
| 66 | Shanghai (E) | U | N | self-summarized diagnostic criteria | S | 842(411/431) | 180(84/91) | 21.40(18.61-24.01) |
| 67 | Jilin (E) | R | N | Chinese prevention and treatment of cognitive dysfunction, 2005 | S&D | 976(451/519) | 171(73/98) | 17.60(15.14-19.78) |
|
| ||||||||
| 68 | Beijing (E) | U | C | DSM-IV | S | 75(63/12) | 48(36/12) | 11.56(10.03-13.02) |
| 69 | Shandong (E) | U+R | N | Guidelines for Diagnosis and Treatment of Dementia and Cognitive Impairment in China, 2010 | S | 1971(738/1233) | 786 | 39.88(37.72-41.93) |
|
| ||||||||
| 70 | Nei Monggol (W) | U+R | N | the International Working Group on Mild Cognitive Impairment, 2003 | S | 384(200/184) | 40(18/22) | 10.42(7.36-13.32) |
|
| ||||||||
| 71 | Xinjiang (W) | U | N | Guidelines for Diagnosis and Treatment of Dementia and Cognitive Impairment in China, 2010 | S&D | 804(374/430) | 223(94/127) | 27.74(24.64-30.67) |
E = Eastern China, W = Western China, U = urban, R = rural, C = clinical, N=nonclinical, S = screening, D = diagnosis, DSM-IV, Diagnostic and Statistical Manual of Mental Disorders-IV