TABLE 2

Path From Birth to 20 Years of the Re-enrolled Cohort (441 Participants)

RCT Re-enrolled SampleTotal CohortKMCControl
Newborns ≤2000 g (September 1993–September 1994)1084 (100)
Noneligible newborns338 (31)
 Transferred to another clinic129
 Died before randomization157 (15)
 Congenital malformation or neurologic pathology52
Original RCT sample746382 (51)364 (49)
Died during the first year301119
Survivors at 1 y of CA716 (96)371 (97)345 (95)
Not located at 20 y of age222 (31)119 (32)103 (30)
Located but not re-enrolled at 20 y of age53 (7)26 (7)29 (8)
 Died between 1 and 20 y312
 Refused to participate (6 twins in each group)391922
 Out of scope1165
RCT re-enrolled cohort at 20 y of age441 (62)228 (61)213 (62)
  • Data are presented as n (%).