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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Placenta. 2021 Jul 30;112:135–140. doi: 10.1016/j.placenta.2021.07.298

Table 2.

Descriptive characteristics of those with two live births with placentas submitted to pathology for the total sample and by chronic villitis status (n=883).

Mean (SD) or n (%) Recurrent villitis (n=102) Villitis in 1st only (n=88) Villitis in 2nd only (n=135) No villitis (n=558) p-value
Maternal age, years, first study pregnancy 31.5 (5.0) 31.7 (4.8) 31.7 (4.7) 31.0 (4.7) 0.29
Race/ethnicity 0.16
 White 60 (58.8) 55 (62.5) 84 (62.2) 327 (58.6)
 Black 6 (5.9) 6 (6.8) 13 (9.6) 79 (14.2)
 Hispanic 22 (21.6) 14 (15.9) 15 (11.1) 71 (12.7)
 Asian 9 (8.8) 9 (10.2) 15 (11.1) 44 (7.9)
 Other 5 (4.9) 4 (4.6) 8 (5.9) 37 (6.6)
Nulliparous, first study pregnancy 84 (82.4) 78 (88.6) 120 (88.9) 487 (87.3) 0.45
Preterm birth, second study pregnancy 29 (28.4) 22 (25.0) 32 (23.7) 189 (33.9) 0.06
SGA infant, second study pregnancy 20 (19.6) 13 (14.8) 25 (18.5) 50 (9.0) <0.01

Abbreviations: SD – standard deviation