Table 1. Comparison of group characteristics between 12 week old and 36 week old mice.

	12 w.o.	36 w.o.
Number	15	6
Mass (g)	22±0.3	24±0.6*
Q:V Ratio	24.2±3.7	14.2±1.7
Log(V/Q) Mean	−0.071±0.007	−0.071±0.008
Log(V/Q) Standard Deviation	0.361±0.020	0.442±0.018*
Log(V/Q) Skewness	−1.73±0.09	−1.22±0.13**
Log(V/Q) Excess Kurtosis	9.75±0.70	8.70±0.63
Log(V/Q) −∞ values	3.23±0.75	6.82±0.83*
Log(V/Q) +∞ values	0.0012±0.0009	0.0223±0.0066***
Log(V/Q) Low values	3.38±0.50	4.52±0.42
Log(V/Q) High values	0.98±0.20	2.38±0.36**
Functional Residual Capacity (mL)	0.124±0.007	0.163±0.013*
Tidal Volume (mL)	0.048±0.004	0.052±0.005

^*p<0.05, **p<0.01, ***p<0.001 by two-tailed t-test against 12 w.o. animals.