Table 3

Estimates of changes in Hbmass from baseline (prealtitude) to postaltitude values derived via linear mixed modelling

ConditionPercentage of increase in Hbmass
Estimate95% CIp Value
≤20 days (after LHTL or classic)3.41(2.89 to 3.92)<0.001
>20 days after LHTL1.51(0.43 to 2.59)0.009
>20 days after classic0.24(−0.55 to 1.04)0.523
  • p Values refer to testing whether the associated parameter is equal to zero.

  • Hbmass, haemoglobin mass; LHTL, live high train low.