Table 1.

Postoperative fitness and PWB score of the animals

	Postoperative
	Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7
Fitness score
Group 1 (melatonin)	2 (1–4)	3 (2–4)	2 (1–4)	3 (1–4)	3 (1–4)	3 (2–4)	3.5 (2–4)
Group 2 (non-melantonin)	2 (0–3)	2 (0–3)	2 (0–4)	2.5 (0–4)	3 (0–4)	3 (0–4)	3 (0–4)
p	p = 0.793	p = 0.034	p = 0.959	p = 0.188	p = 0.013	p = 0.173	p = 0.003
PWB score
Group 1 (melatonin)	31.5 (21.-45)	37 (28–45)	36 (23–48)	41.5 (32–48)	42.5 (35–47)	43 (32–48)	45.5 (33–48)
Group 2 (non-melantonin)	31 (0–39	33.5 (0–41)	33 (0–44)	34 (0–43)	34.5 (0–46)	35 (0–43	33.5 (0–42)
p	p = 0.689	p = 0.745	p = 0.256	p = 0.003	p < 0.001	p = 0.001	p = 0.003