TABLE 1

Summary of MD probe recovery rates in the five-step infusion experiment


Age

Probe

Recovery (%)a
Step 1
Step 2
Step 3
Step 4
Step 5
Fetus (100 days) CSF (n = 2) 39.9 41.7 40.5 39.2 40.1
ECF (n = 2) 42.6 43.6 42.4 42.8 41.9
Fetus (120 days) CSF (n = 4) 41.6 ± 2.3 41.6 ± 2.0 40.8 ± 1.5 39.9 ± 1.8 40.2 ± 2.1
ECF (n = 5) 42.8 ± 1.7 42.6 ± 1.9 42.3 ± 1.7 41.8 ± 1.4 40.5 ± 1.8
Lamb (10 days) CSF (n = 4) 44.0 ± 1.6 43.5 ± 2.1 44.9 ± 2.0 44.1 ± 2.2 43.5 ± 1.4
ECF (n = 5) 42.9 ± 1.3 44.0 ± 1.6 43.9 ± 1.4 42.8 ± 1.8 41.4 ± 1.3
Lamb (30 days) CSF (n = 1) 44.8 44.5 43.0 43.2 44.2
ECF (n = 6) 46.6 ± 0.9 44.8 ± 1.1 45.1 ± 1.2 44.3 ± 1.1 44.9 ± 1.1
Adult CSF (n = 6) 46.3 ± 1.6 48.0 ± 1.1 46.1 ± 1.6 45.8 ± 1.1 43.3 ± 1.4

ECF (n = 5)
47.9 ± 1.6
47.4 ± 1.1
46.2 ± 0.9
44.8 ± 1.5
45.4 ± 1.6
  • Data are shown as mean ± S.E.M.

  • a Probe recovery rates were calculated using eq. 1.