Table 1. Effect of age and high-dose heparin on mass transfer coefficients around intercostal branch ostia.

Age Group	Control	High-dose heparin
Immature	2.86±0.14	2.24±0.28
Mature	3.32±0.26	3.61±0.35
Ex-breeder	3.10±0.18	3.74±0.27
Females >5 yr	2.03±0.09

Units are cm/s x 10^-8; mean±sem