Table 2.

Information related to patients’ surgery.

Number	operation time (min)	Intraoperative bleeding volume (ml)	HGB before operation (g/l)	HGB after operation (g/l)	Postoperative hospital stay (days)	VAS pain score (Before operation)	VAS pain score (Three months after operation)
1	275	100	125	96	10	5	1
2	205	80	140	141	6	4	1
3	125	100	122	116	5	5	1
4	175	100	139	118	6	5	1
5	175	80	126	116	6	5	1
6	200	100	138	116	9	5	2
7	160	150	124	89	5	4	1
8	170	500	94	104	13	5	2
9	145	50	132	125	9	5	0
10	200	300	141	92	12	4	1
11	180	100	120	106	7	5	1
12	250	200	108	100	7	5	1
13	190	100	131	107	9	5	1
14	215	80	142	126	8	5	1
15	145	80	129	118	7	5	1
16	225	50	136	116	5	5	0
17	195	50	142	117	11	5	1
18	240	200	134	106	8	5	1