. 2012 May 10;12(1):11–16. doi: 10.1007/s12663-012-0370-x

Table 1.

Statistical analysis of the data

Time interval	Group	N	Mean	Std dev	Mean diff	t	P value
Immediate post-op	Case	22	1,272.41	383.63	9.500	0.090	0.929
Immediate post-op	Control	22	1,262.91	314.01	9.500	0.090	0.929
1st month follow-up	Case	22	1,144.55	385.32	−58.545	−0.569	0.573
1st month follow-up	Control	22	1,203.09	291.12	−58.545	−0.569	0.573
3rd month follow-up	Case	22	1,036.09	330.30	−120.727	−1.293	0.203
3rd month follow-up	Control	22	1,156.82	287.36	−120.727	−1.293	0.203
6th month follow-up	Case	22	979.41	325.21	−135.318	−1.454	0.153
6th month follow-up	Control	22	1,114.73	291.09	−135.318	−1.454	0.153