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. Author manuscript; available in PMC: 2013 Nov 14.

Published in final edited form as: Am J Sports Med. 2009 Nov 13;38(1):10.1177/0363546509349038. doi: 10.1177/0363546509349038

Table 2.

Summary of zonal variation in cell viability ratio (Mean + SD).

	Day 0				Day 4				Day 8
Group	Zone 1	Zone 2	Zone 3	Zone 4	Zone 1	Zone 2	Zone 3	Zone 4	Zone 1	Zone 2	Zone 3	Zone 4
Control	0.63 ± 0.22	0.83 ± 0.15	0.91^a ± 0.05	0.86 ± 0.15	0.56 ± 0.20	0.76 ± 0.18	0.68 ± 0.26	0.65 ± 0.25	0.48 ± 0.27	0.61 ± 0.39	0.46^c ± 0.23	0.45^c ± 0.27
37.5 N	0.51 ± 0.17	0.61^*,^a ± 0.25	0.71^*,^a ± 0.18	0.64^* ± 0.23	0.39 ± 0.21	0.37^* ± 0.23	0.36^* ± 0.31	0.39 ± 0.32	0.26^c ± 0.19	0.19^*,^c ± 0.19	0.28^c ± 0.24	0.31^c ± 0.24
75 N	0.37^* ± 0.10	0.48^* ± 0.22	0.66^*,^a ± 0.26	0.63^* ± 0.25	0.29^* ± 0.19	0.39^* ± 0.21	0.33^* ± 0.23	0.48 ± 0.27	0.23 ± 0.19	0.24^*,^c ± 0.20	0.30^c ± 0.24	0.35^c ± 0.26
150 N	0.44 ± 0.20	0.60^*,^a ± 0.25	0.73^*,^a ± 0.21	0.72^a ± 0.25	0.32^* ± 0.25	0.19^* ± 0.19	0.21^* ± 0.33	0.26^* ± 0.33	0.16^*,^c ± 0.11	0.22^*,^c ± 0.14	0.24^c ± 0.20	0.16^*,^c ± 0.20
300 N	0.27^* ± 0.14	0.46^* ± 0.25	0.63^*,^a ± 0.24	0.61^* ± 0.31	0.24^* ± 0.17	0.35^* ± 0.31	0.28^* ± 0.32	0.35 ± 0.38	0.14^* ± 0.13	0.18^*,^c ± 0.22	0.23^c ± 0.17	0.31 ± 0.22

^*

represents significant differences (p < 0.05) for a loaded sample versus control in a given day and zone.

a, b, and c represent significant differences (p < 0.05) for Day 0 versus Day 4, Day 4 versus Day 8, and Day 0 versus Day 8, respectively.