International Journal of Endocrinology / 2012 / Article / Tab 1

Review Article

Alpha Lipoic Acid for Symptomatic Peripheral Neuropathy in Patients with Diabetes: A Meta-Analysis of Randomized Controlled Trials

Table 1

Methodological quality assessment of the included intervention studies.

Ziegler 1995 [15] ALADINRuhnau 1999 [16] ORPILAmetov 2003 [17] SYDNEYZiegler 2006 [18] SYDNEY 2

(1)Randomisation?yesyesyesyes
(2)Concealment of allocation?yesyesyesyes
(3)Patients blinded?yesyesyesyes
(4)Doctors blinded?yesyesyesyes
(5)Investigators blinded?NONONONO
(6)Groups comparable at baseline?yesyesyesyes
(7)Follow-up complete of >80% of patients?yesyesyesyes
(8)Intention-to-treat analysis?yesyesyesyes
Level of evidence1b1b1b1b

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