Table 2. Proliferation index (PI) in Group 3 and Group 4.

PI	Group 3	Group 4	p value
Postoperative day 2	8.8% (1.3–19.5)*	18.9% (12.6–26.7)	0.02
Postoperative day 7	13.7% (1.1–20.9)	6.5% (2.7–13.9)	NS

* values in parentheses are range

NS: not significant