Functional outcome in operated patients of multilevel lumbar canal stenosis and use of HRQoL role in depicting the anxiety and its correlation with the pain

Egyptian Journal of Neurosurgery

Table 3 Changes in mean OLBPD score at different time intervals

OLBPD	Mean	SD	Post hoc
Pre-op	73.82	14.82	Pre-op versus 3 months	< 0.001
			Pre-op versus 6 months	< 0.001
3 months	43.86	8.87	Pre-op versus 12 months	< 0.001
6 months	35.48	10.29	3 months versus 6 months	< 0.001
12 months	32.034	9.68	3 months versus 12 months	< 0.001
p value	< 0.001		6 months versus 12 months	0.001