Improvement of Subthalamic Nucleus Deep Brain Stimulation in Sleeping Symptoms in Parkinson’s Disease: A Meta-Analysis

Table 2

MINORS scores of eligible studies.

Study	A	B	C	D	E	F	G	H	Total
Klepitskaya et al. [24]	2	0	2	2	0	2	2	0	10
Kedia et al. [18]	2	0	2	2	0	2	2	1	11
Chahine et al. [16]	2	0	2	2	0	2	2	1	11
Driver-Dunckley et al. [17]	2	2	2	2	0	2	2	0	12
Qian et al. [25]	2	0	2	2	0	2	2	0	10
Chen et al. [26]	2	0	2	2	0	2	2	0	10
Iranzo et al. [27]	2	2	2	2	0	2	2	0	12

A: a clearly stated aim; B: inclusion of consecutive patients; C: prospective collection of data; D: endpoints appropriate to the aim of the study; E: unbiased assessment of the study endpoint; F: follow-up period appropriate to the aim of the study; G: loss to follow-up less than 5%; H: prospective calculation of the sample size.