“…The median age distribution was similar in the PPCM, Pϩ, and PϪ Groups, and in the men: 31, 32, 30, and 32 years, respectively, shown in Figure 3. The PPCM Group and the Pϩ Group each had a median number of 2 pregnancies each (range, [1][2][3][4][5][6][7][8][9][10][11][12]. Most patients in all 4 groups were non-African American, but the proportion of African American patients was higher in the PPCM Group at 41%, than in the Pϩ, PϪ, and the Male Group at 34%, 17%, and 28%, respectively (chi-square, p ϭ 0.02).…”