Table 2.

Comparisons of MDS-UPDRS, Item 3.13, and the degree of camptocormia in patients with PD in med-off pre-DBS and 6-months of post-DBS.

Measure	Med-off pre-DBS	Med-off 6-months post-DBS	P-value
MDS-UPDRS, item 3.13 (mean±SD)	2.80±0.77	0.86±0.64	<0.001
Degree of camptocormia (°)	46.20±8.79	8.46±7.08	<0.001

MDS-UPDRS, item 3.13 – Movement Disorder Society-Unified Parkinson Disease Rating Scale, item 3.13, which indicates the fractional response to a levodopa test dose (i.e., 1.00=no response). PD – Parkinson disease; med-off – off medication; med-on – on medication; DBS – deep brain stimulation, SD – standard deviation.