Table III.

Statistical Analysis of Mechanical Properties Using Students Unpaired-t Test

	Properties compared and P values
Compared groups	Mean maximum stress	Mean maximum strain	Mean initial modulus
4RepCT/CC1, GSH/GSSG	0.001	0.22	<0.0001
4RepCT/CC1	0.001	0.12	0.02
4RepCT/CC1, DMSO	0.28	0.01	0.01
4RepCT/CC1, O2	0.02	0.01	0.0001
4RepCT/S	0.94	0.01	0.24
CC1/CC1, GSH/GSSG	0.91	0.05	0.13
CC1/CC1, DMSO	0.06	0.02	0.89
CC1/CC1, O2	0.52	0.01	0.38

See Table II for exact treatment procedures.