Table 1.
Basic information of the 41 studies which met the study validation criteria
| No | Ref. (First author,Ref, Year) |
Distribution (°) |
Biopsy-proven LN |
All biopsy-proven renal diseases |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lat. | Long. | Cases | (LN/all renal diseases) ×100% | (LN/SGD) ×100% | Sex (F/M Ratio) | Cases | Begin | End | Sex (F/M Ratio) | Age (average ± S.D, range) | ||
| 1 |
Xu YZ [18] 2009 |
21.11 |
110.30 |
322 |
19.77 |
65.04 |
|
1627 |
1999 |
2007 |
1.01 |
30.7 ± 15.1 |
| 2 |
Luo Q [19] 2008 |
22.35 |
113.46 |
76 |
12.40 |
60.80 |
|
615 |
2000 |
2007 |
1.00 |
F (33.1 ± 7.8), M (33.56 ± 13.3) |
| 3 |
Mo WG [20] 2004 |
22.47 |
108.20 |
309 |
20.61 |
80.26 |
5.44 |
1499 |
1999 |
2004 |
1.07 |
30.52 |
| 4 |
Zhong HB [21] 2007 |
26.02 |
117.36 |
95 |
10.41 |
53.07 |
|
913 |
1993 |
2006 |
0.70 |
30.12 ± 15.37 |
| 5 |
Chen JY [22] 2008 |
26.02 |
119.18 |
31 |
11.52 |
62.00 |
|
269 |
1998 |
2007 |
0.78 |
11-68 |
| 6 |
Zhu CL [23] 2003 |
26.34 |
106.42 |
25 |
25.00 |
80.65 |
|
100 |
1999 |
2002 |
1.70 |
40.7 ± 28.3 |
| 7 |
Li SR [24] 2004 |
28.00 |
119.31 |
12 |
10.62 |
46.15 |
|
113 |
1996 |
2004 |
1.05 |
36, 14-73 |
| 8 |
Ke YJ [25] 2004 |
28.00 |
121.20 |
20 |
17.70 |
|
|
113 |
2000 |
2002 |
0.61 |
32.8 |
| 9 |
Xiang XQ [26] 2005 |
28.12 |
113.00 |
87 |
7.18 |
|
|
1211 |
1989 |
2004 |
|
35.16 (1989-1997) |
| 35.65 (2000-2004) | ||||||||||||
| 10 |
Sun T [27] 2006 |
29.33 |
106.32 |
46 |
9.41 |
54.76 |
4.75 |
489 |
2004 |
2005 |
1.39 |
32 ± 16 |
| 11 |
Shi XD [28] 2003 |
30.15 |
119.14 |
82 |
12.26 |
55.78 |
|
669 |
1992 |
2001 |
1.42 |
9-79 |
| 12 |
Xu YC [29] 2005 |
30.39 |
104.05 |
15 |
11.00 |
53.57 |
|
140 |
2000 |
2003 |
0.94 |
40.5, 13-70 |
| 13 |
Liu K [30] 2007 |
31.12 |
121.29 |
21 |
19.63 |
63.64 |
|
107 |
2003 |
2005 |
1.55 |
32.9 |
| 14 |
Yu JP [31] 2000 |
31.12 |
121.29 |
17 |
9.60 |
|
|
177 |
1994 |
1999 |
0.86 |
34.47 |
| 15 |
Chen HP [32] 2000 |
31.20 |
118.50 |
1319 |
12.45 |
74.14 |
|
10594 |
1979 |
2000 |
0.97 |
31.4 ± 13 |
| 16 |
Peng YP [33] 2005 |
31.51 |
114.52 |
19 |
10.80 |
67.40 |
|
176 |
2000 |
2004 |
1.29 |
38, 13-74 |
| 17 |
Wang T [34] 2010 |
32.03 |
118.50 |
44 |
5.47 |
34.92 |
|
805 |
2003 |
2008 |
0.98 |
36.12 ± 16.08 |
| 18 |
Fan YL [35] 1995 |
33.96 |
116.23 |
6 |
5.66 |
|
|
106 |
1989 |
1992 |
0.58 |
32, 13-60 |
| 19 |
Du JL [36] 2006 |
34.15 |
110.54 |
220 |
14.27 |
53.14 |
14.7 |
1542 |
2000 |
2004 |
0.65 |
33.5 ± 11.8 (LN) |
| 20 |
Shi J [37] 2010 |
34.15 |
110.54 |
6 |
2.37 |
11.76 |
|
253 |
2005 |
2008 |
0.85 |
32 ± 16 |
| 21 |
Wang HX [38] 2007 |
34.16 |
117.11 |
40 |
11.36 |
41.70 |
|
352 |
1998 |
2007 |
1.10 |
38 ± 9.5 |
| 22 |
Li SK [39] 2009 |
34.16 |
117.11 |
59 |
7.94 |
38.82 |
4.36 |
743 |
2005 |
2008 |
0.79 |
30.09 ± 14.19 |
| 23 |
Wang YT [40] 2010 |
34.44 |
113.53 |
38 |
4.13 |
27.74 |
|
919 |
1996 |
2008 |
0.81 |
33.1 ± 14.1, 16-72 |
| 24 |
Zhao ZZ [41] 2005 |
34.44 |
113.42 |
60 |
14.56 |
54.55 |
|
412 |
2001 |
2003 |
0.98 |
6-69 |
| 25 |
Li XY [42] 2007 |
34.44 |
114.51 |
9 |
6.25 |
28.10 |
|
144 |
1999 |
2004 |
1.18 |
9-72 |
| 26 |
Zhou SY [43] 2008 |
36.03 |
103.49 |
49 |
4.08 |
50.00 |
|
1202 |
1994 |
2006 |
0.94 |
31.54 |
| 27 |
Zheng CX [44] 2009 |
36.63 |
114.47 |
33 |
7.04 |
31.43 |
|
469 |
2000 |
2008 |
0.85 |
34.6, 9-78 |
| 28 |
Huo J [45] 2007 |
37.51 |
112.34 |
72 |
5.62 |
27.20 |
|
1281 |
1993 |
2006 |
0.77 |
31.6 ± 13.3, 6-74 |
| 29 |
Wang YM [46] 2010 |
38.03 |
115.28 |
14 |
5.22 |
26.92 |
|
268 |
2004 |
2009 |
0.97 |
35 ± 18, 13-76 |
| 30 |
Zhao CX [47] 2009 |
38.03 |
116.83 |
6 |
3.16 |
20.00 |
|
190 |
2004 |
2006 |
0.92 |
30.3, 11-67 |
| 31 |
Ding XG [48] 2008 |
39.36 |
118.11 |
21 |
5.80 |
37.49 |
|
362 |
2005 |
2007 |
0.88 |
34.3 ± 8.2, 11-70 |
| 32 |
Zhang YP [49] 2001 |
39.54 |
116.28 |
142 |
7.27 |
37.10 |
4.46 |
1954 |
1987 |
1999 |
0.50 |
33.2 ± 13, 15–73 |
| 33 |
Wang WX [50] 1996 |
39.54 |
116.28 |
13 |
12.50 |
38.24 |
|
104 |
1989 |
1994 |
0.51 |
13-70 |
| 34 |
Liu WX [51] 2008 |
39.54 |
116.28 |
11 |
11.00 |
50.00 |
|
100 |
2002 |
2008 |
0.82 |
36.2 ± 14.3, 6-65 |
| 35 |
Hou XY [52] 2009 |
40.48 |
111.41 |
10 |
4.61 |
71.43 |
|
217 |
2004 |
2009 |
0.75 |
31.8 ± 10.6, 9-70 |
| 36 |
Wang CH [53] 2009 |
40.48 |
116.21 |
40 |
15.27 |
48.78 |
|
262 |
2005 |
2008 |
0.76 |
37.82 ± 15.51, 12-74 |
| 37 |
Li YQ [54] 2006 |
41.48 |
123.24 |
91 |
7.03 |
48.37 |
7.5 |
1295 |
1997 |
2004 |
0.77 |
3.62 ± 8.53, 8-76 |
| 38 |
Feng W [55] 2008 |
43.46 |
87.36 |
87 |
5.80 |
34.25 |
|
1500 |
1993 |
2007 |
0.97 |
31.4 ± 13, 9-70 |
| 39 |
Yue H [56] 2006 |
43.46 |
87.36 |
12 |
5.05 |
41.26 |
|
237 |
1999 |
2005 |
0.85 |
35.6 ± 14, 7-74 |
| 40 |
Wang LY [57] 2005 |
43.55 |
125.19 |
53 |
10.60 |
43.09 |
|
500 |
1984 |
2004 |
0.66 |
39.8 ± 3, 7-74 |
| 41 | Jiang GT [58] 2008 | 45.45 | 126.41 | 61 | 11.19 | 64.20 | 5.8 | 545 | 2003 | 2005 | 1.27 | 1.7 ± 12.6, 8-64 |
Abbreviation: latitude (Lat.), Longitude (Long.); Femal (F), Male (M), Referance (Ref.), Number (No.).