Table 1

 Baseline values

Sham (n = 3)21% (n = 10)100% (n = 10)
Age and body weight are mean (SD); all other values are mean (SEM). Hypoxaemia was induced in all the experimental animals. They were then randomised to one of two groups and resuscitated with either 21% or 100% O2.
BP, Blood pressure.
Age (hours)33.7 (3.2)26.7 (8.2)28.0 (8.7)
Body weight (kg)2.33 (0.45)2.07 (0.29)2.05 (0.37)
Haemoglobin (g/l)6.8 (1.4)6.9 (0.3)6.9 (0.4)
Calcium (g/l)1.44 (0.04)1.36 (0.02)1.34 (0.12)
pH7.47 (0.05)7.49 (0.02)7.44 (0.02)
Base excess (mmol/l)5.9 (1.2)5.28 (1.3)2.54 (0.9)
Heart rate (beats/min)132 (9)152 (9)165 (12)
Systolic BP (mm Hg)66 (5)68 (5)66 (5)
Diastolic BP (mm Hg)51 (5)53 (4)53 (5)