Table 2.

Student's t-test application in each variable.

	Mean	SD	SE	t	P
Preop	14.00	4.90	1.73	25.67	<0.001**
Intraop	33.25	4.17	1.47
Preop	14.00	4.90	1.73	14.48	<0.001**
At discharge	30.63	3.82	1.35
Preop	14.00	4.90	1.73	28.45	<0.001**
After one month	31.00	4.87	1.72
Preop	14.00	4.90	1.73	23.48	<0.001**
After 6 months	30.00	5.37	1.90

**Highly significant. Test P < 0.001 (99.9% sig).