
Functional reserve measure  Unit of measurement  Maximum isometric pressure (MIP)  Age 
Pearson’s correlation  Significance (2tailed)  Pearson’s correlation  Significance (2tailed) 

MIP minus maximum water swallow pressures  mm Hg  .814  .000 
−.304
 .007 
% MIP  .314  .005  −.104  .368 
MIP minus mean water swallow pressures  mm Hg  .910  .000 
−.359
 .001 
% MIP  .320  .005 
−.107  .354 
MIP minus maximum regular effort saliva swallow pressures  mm Hg  .796  .000 
−.250  .031 
% MIP  .453  .000 
−.042  .716 
MIP minus mean regular effort saliva swallow pressures  mm Hg  .899  .000 
−.312
 .006 
% MIP  .493  .000 
−.078  .500 
Maximum effortful minus maximum regular effort saliva swallow pressures  mm Hg  .285  .013  n/a  n/a 
Maximum effortful minus mean regular effort saliva swallow pressures  mm Hg  .325  .004  n/a  n/a 
