TABLE 3.

Birth Weight and GA of Infants Reported With Severe ROP in Countries Ranked by Their HDI Between 1996 and 2002

Country and Level of DevelopmentUNDP RankNBirth Weight, gGA, Wk
MeanRangeSDMeanRangeSD
Highly developed countries with HDI ranking 1–302
    Canada4117759440–178518225.622–321.7
    United States836763415–125517525.423–291.5
    United Kingdom12109737450–126017425.323–321.6
Moderately developed countries with HDI ranking 31–1002
    Argentina (C)34221150620–198042929.725–342.7
    Argentina (G)342151199550–270038629.624–372.8
    Argentina (L)*34121323800–194041729.426–352.7
    Argentina (L)34161231820–204029829.225–363.5
    Argentina (M)34471051550–168027930.024–342.2
    Argentina (P)34801357650–228034331.126–372.8
    Argentina (T)34681527410–370048832.124–372.3
    Lithuania (V)41671083450–192031528.024–332.2
    Lithuania (K)4181021732–160026626.324–302.4
    Chile4356903495–155024826.824–352.1
    Cuba52111285990–225038230.727–332.0
    Brazil7212952640–144023527.725–312.0
    Colombia73591122640–190026229.225–352.3
    Peru85821051630–171024129.125–342.2
    Ecuador100621259600–190030933.530–361.6
Poorly developed countries with HDI ranking >1002
    Vietnam112261284900–160020229.927–341.8
    India (D)12781307767–194340629.526–342.6
    India (H)1271151255710–200028029.626–362.1
    India (M)1271251167600–206030328.724–342.0
  • * Children who had low vision and had been treated as infants.

  • Children who had low vision and had not been treated as infants.

  • Includes infants who were screened locally and infants who were referred with stage 4 or 5 ROP from India and neighboring countries.