Table 2.

Characteristics of the studies included in the analyses

No.AuthorYearNo. PatientsNo. of PregnanciesAPA PositiveHistory of NephritisActive NephritisFlare During Pregnancy
2Mintz et al. (13)198675102n/a58955
3Sittiwangkul et al. (14)19994248n/a241316
4Oviasu et al. (15)1991255385361
5Le Houng et al. (16)199738622817117
6Rahman et al. (9)19987314117n/a2372
7Georgiou et al. (17)2000475910n/a614
8Imbasciati et al. (11)19841926n/a181821
9Le Thi Houng et al. (3)1994841031528834
10Packham et al. (18)1992416421463416
11Wong et al. (19)199122296171113
12Ruiz-Irastorza et al. (41)199668783301263
13Julkunen et al. (20)19931122425622n/an/a
14Nossent and Swaak (21)19903763175221
15Houng et al. (7)20012232173245
16Wagner et al. (22)20095890n/a43232
17Tandon et al. (23)200453780786533
18Wong et al. (4)200617240n/a125
19Whitelaw et al. (24)20083147613213
20Soubassi et al. (25)2004222412241220
21Surita et al. (26)2007677624472958
24Imbasciati et al. (29)200881113271133434
25Clowse et al. (30)2005203267124524232
26Cortes-Hernandez et al. (31)2002601031720839
27Cavallasca et al. (32)2008617220201214
28Chandran et al. (33)20053152171703
29Clark et al. (34)20038888162220
30Moroni et al. (35)2002487016512513
31Carmona et al. (36)200535421142138
32Wang et al. (37)20066666n/a262615
33Zhang et al. (38)20072634n/a34n/a8
34Julkunen et al. (40)19931626826n/a2
35Lima et al. (42)19959010844141474
36Derksen et al. (5)19942535161496
37Carmona et al. (39)199946601610215
Totals (n)184227516191000492747
• n/a, not available, i.e., not reported in the original paper.