Chapter 5 110 insufficiency, two with feeding difficulties, one after relocation because of shoulder dystocia with severe asphyxia). Table 5.2 - Neonatal outcomes according to lithium exposure. Total (n=117) Non-lithium exposed group (n=75) Lithium-exposed group (n=42) P-value Neonatal outcomes Sex, female, n (%) 62 (53.0) 44 (58.7) 18 (42.0) 0147 Gestational age, mean (SD) 276.23 (11.10) 276.55 (11.27) 275.67 (10.92) 0.283 Gestational age, weeks + days (SD) 39+4 (1+5) 39+5 (1+6) 39+4 (1+5) 0.283 Preterm birth, n (%) 7 (6.0) 4 (5.3) 3 (7.1) NA Birth weight in grams, mean (SD) 3445.16 (492.94) 3375.36 (481.14) 3569.81 (494.80) 0.040* Percentile weight, mean (SD) 51.25 (28.58) 46.72 (27.55) 59.33 (28.92) 0.021* Large for gestational age, n (%) 12 (10.3) 6 (8.0) 6 (14.3) 0.449 Small for gestational age, n (%) 6 (5.1) 6 (8.0) 0 (0.0) NA Apgar scores Apgar score 1 min, mean (SD) 7.75 (2.21) 7.71 (2.32) 7.83 (2.01) 7.758 Apgar score 5 min, mean (SD) 9.50 (1.13) 9.51 (1.26) 9.50 (0.89) 0.973 Neonatal asphyxia**, n (%) 4 (3.4) 2 (2.7) 2 (4.8) NA Admission to neonatal ward with monitoring, n (%) 22 (18.8) 15 (20.0) 7 (16.7) 0.844 Duration admission to care unit in days, median (IQR) 3 (5.00) 5 (5.00) 2 (0.75) NA Congenital malformations, n (%) 8 (6.9) 4 (5.3) 4 (9.5) NA Readmission ≤ 28 days postpartum 6 (5.1) 4 (5.3) 2 (4.8) NA *p<0.05; ** According to local protocol. n, number; SD, standard deviation; IQR, interquartile range; NA, not applicable. Chi2 tests were not applicable if value in cell <5.
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