Table 2.
Children | Adults | P | |
---|---|---|---|
pHi | 7.05 ± 0.05 | 7.05 ± 0.04 | NS |
[PCr], mM | 29.7 ± 1.9 | 32.5 ± 4.5 | NS |
[Pi], mM | 4.9 ± 1.0 | 4.0 ± 1.2 | NS |
[PCr]/[Pi] | 6.6 ± 1.4 | 8.8 ± 1.8 | <0.05 |
[ADP], μM | 9.1 ± 3.3 | 9.2 ± 1.7 | NS |
Values are means ± SD. pHi, intracellular pH; [PCr], phosphocreatine concentration; [Pi], inorganic phosphate concentration; [PCr]/[Pi], PCr-to-Pi concentration ratio; [ADP], adenosine diphosphate concentration.