TABLE 3

Path From Birth to 20 Y of the Re-enrolled Cohort ≤1800 g at Birth (264 Participants)

RCT Target Sample Re-enrolled for First Analysis and Neurologic ImagingTotal CohortKMCControl
Original RCT ≤1800 g433229 (53)204 (47)
Died during first year21714
Survivors at 1 y412 (95)222 (97)190 (93)
Not located at 20 y of age119 (29)68 (31)51 (27)
Located but not re-enrolled at 20 y of age29 (7)15 (7)14 (7)
 Died between 1 and 20 y312
 Refused to participate (6 twins in each group)201010
 Out of scope642
RCT re-enrolled cohort (≤1800 g) at 20 y of age264 (64%)139 (63%)125 (66%)
Documented MRI in re-enrolled cohort213 (80%)115 (83%)98 (78%)
Interpretable MRI (no brackets, no movement)195 (74%)108 (78%)87 (70%)
  • Data are presented as n (%).