Table 1 Summary of the peri-operative characteristics of the animals in the five groups

2.23 (0.19)

2.29 (0.19)

2.23 (0.20)

2.30 (0.16)

2.17 (0.16)

0.508

109.60 (4.84)

112.40 (12.52)

108.30 (8.42)

108.20 (11.58)

105.70 (12.39)

0.698

98.80 (7.58)

101.90 (10.58)

96.60 (12.95)

99.40 (10.20)

92.88 (7.57)

0.417

5.90 (1.45)

5.90 (2.02)

7.00 (2.21)

6.40 (1.26)

5.80 (2.15)

0.572

10/10

8/10

9/10

6/10

5/10

0.052

6.20 (1.69)

49.50 (14.77)*^a

54.70 (15.23)*^a

47.90 (16.14)*^a

46.50 (19.88)*^a

<0.001

42.60 (13.08)*^a

45.00 (12.07)*^a

42.50 (15.06)*^a

41.10 (18.72)*^a

<0.001

6.20 (1.87)

41.60 (12.71)*^a

42.90 (10.73)*^a

25.80 (13.45)*†^a

26.00 (13.16)*†^a

<0.001