Table 1

Patient characteristics

High haematocrit group (n=22)Low haematocrit group (n=19)
Birth weight* (g)895 (551–1230)920 (630–1230)
Gestational age* (weeks)27 (24–33)27 (24–30)
Postnatal age at study* (days)24 (6–85)30 (24–31)
Weight at study* (g)1046 (758–2020)1130 (797–1800)
Number of males1111
Number mechanically ventilated at time of study1816
  • * Values given are median and range.