Table 1 Results of different parameters in the different experimental groups

 D1–53

0 ± 0 ^a

0.68 ± 0.41^b

0.32 ± 0.86 ^c

 D1–23

0 ± 0 ^a

0 ± 0 ^a

0.017 ± 0.060 ^a

 D24–53

0 ± 0 ^a

1.20 ± 0.83 ^b

0.55 ± 0.42 ^c

 D0

7.04 ± 1.22^a

6.97 ± 0.84 ^a

7.04 ± 1.02 ^a

 D24

15.25 ± 3.96 ^a

16.39 ± 2.16 ^a

15.61 ± 2.96 ^a

 D53

36.51 ± 8.63 ^a

34.63 ± 6.63 ^a

34.27 ± 5.35 ^a

 D0–24

357 ± 123 ^a

393 ± 62.8 ^a

357 ± 92.0 ^a

 D24–53

733 ± 194 ^a

629 ± 199 ^a

643 ± 102 ^a

 D0–53

563 ± 144 ^a

522 ± 121 ^a

514 ± 87.0 ^a

 MLL

0 ± 0 ^a

7.56 ± 4.73 ^b

0.68 ± 0.73 ^a

 Histopathology

1.31 ± 0.18 ^a

3.32 ± 0.85 ^b

1.92 ± 0.47 ^c

 Percentage of air (%)

47.72 ± 7.29 ^a

34.49 ± 8.22 ^b

45.23 ± 5.99 ^a

 D39

0.36 ± 0.64 ^a

1.81 ± 1.32 ^a

1.23 ± 1.61 ^a

 D53

0.40 ± 0.43 ^a

3.99 ± 1.20 ^b

1.78 ± 1.36 ^a

 D39

(0/4) 0^a

(14/20) 70^b

(7/20) 35^c

 D53

(0/4) 0^a

(19/20) 95^b

(12/20) 60^c

 D1

1.51 ± 0.037 ^a

1.48 ± 0.058 ^a

1.48 ± 0.16 ^a

 D24

0.91 ± 0.044 ^a

0.95 ± 0.069 ^a

0.50 ± 0.17 ^b

 D53

0.90 ± 0.10 ^a

0.23 ± 0.11 ^a

0.087 ± 0.041 ^b

 D1

(0/5) 0^a

(0/20) 0^a

(0/20) 0^a

 D24

(0/4) 0^a

(0/20) 0^a

(15/20) 75^b

 D53

(0/4) 0^a

(20/20) 100^b

(20/20)100^b