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. 2021 Nov 16;11(11):e049807. doi: 10.1136/bmjopen-2021-049807

Table 5.

Pregnancy outcomes of systemic lupus erythaematosus (SLE) pregnancies with or without proteinuria

Characteristics N-group
(n=373, %)
P1-group
(n=60, %)
P2-group
(n=46, %)
P3-group
(n=34, %)
P value
Live birth 348 (93.3)* 44 (73.3) 32 (69.5) 20 (58.8) <0.01
Foetal birth weight
(g, mean±SD)
2887.93±495.54* 2451.76±986.67† 2392.92±883.68† 1911.40±935.857* <0.01
Duration of pregnancy
(days, mean±SD)
254.62±34.56* 226.05±58.64† 221.87±52.84† 209.18±53.35* <0.01
APOs
Composite foetal APOs 134 (35.9)* 40 (66.7)† 33 (71.7)† 29 (85.3)* <0.01
Foetal loss 26 (6.9)* 16 (26.7) 14 (30.4) 14 (41.2) <0.01
Premature birth 83 (83/348, 23.8)‡ 14 (14/44, 31.8)‡ 16 (16/32, 50.0)* 15 (15/20, 75.0)* <0.01
SGA 73 (73/348, 20.9)* 19 (19/44, 43.2)† 14 (14/32, 43.8)† 14 (14/20, 70.0)* <0.01
Asphyxia neonatorum 6 (6/348, 1.7) 2 (2/44, 4.5) 1 (1/32, 3.1) 2 (2/20, 10.0) 0.17
HDP 31 (8.3)* 21 (35.0)† 17 (36.9)† 21 (61.7)* <0.01

*Significantly different from each other group;

†Significantly different from the N and P3 groups;

‡Significantly different from the P2 and P3 groups;

HDP, hypertensive disorders of pregnancy; SGA, small for gestational age.