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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: J Pediatr. 2020 Feb 6;219:118–125.e5. doi: 10.1016/j.jpeds.2019.12.038

Table 3.

Demographic characteristics of infants that completed the 24-month evaluation and infants lost to follow-up.

Mullen at 24 months Dead Lost to follow-up Cerebral palsy Othera Total
Lactoferrin
n 143 37 20 5 4 209
Birth weight, g, mean (SD) 1462 (323) 978 (325) 1572 (274) 1118 (228) 1655 (185) 1382 (371)
Gestational age at birth, weeks, mean (SD) 31.4 (2.4) 28.2 (2.5) 31.8 (2.8) 27.8 (2.7) 31.0 (3.3) 30.8 (2.8)
Male sex, n (%) 79 (55.2) 19 (51.4) 9 (45.0) 3 (60.0) 4 (100.0) 114 (54.6)
SGA, n (%) 37 (25.9) 14 (37.8) 5 (25.0) 0 (0.0) 1 (25.0) 57 (27.3)

Placebo
n 149 29 18 6 3 205
Birth weight, g, mean (SD) 1432 (309) 947 (248) 1661 (313) 1214 (295) 1475 (117) 1378 (353)
Gestational age at birth, weeks, mean (SD) 31.2 (2.8) 27.6 (2.8) 32.8 (3.1) 29.8 (4.1) 31.3 (1.5) 30.8 (3.2)
Male sex, n (%) 87 (58.4) 12 (41.4) 11 (61.1) 3 (50.0) 3 (100.0) 116 (56.6)
SGA, n (%) 46 (30.9) 5 (17.2) 6 (33.3) 1 (16.7) 1 (33.3) 59 (28.8)

Abbreviations: SD, standard deviation; SGA, small for gestational age

a

Other: Completed the 24-month follow up, but did not completed the Mullen test