Erratum to: A retrospective study to identify risk factors for somnolence and dizziness in patients treated with pregabalin.

[This corrects the article DOI: 10.1186/s40780-015-0022-7.].

Erratum

Unfortunately, after publication of the original version of this article [1], it was noticed that some author corrections were not included in the final article.

Within the “Methods” section, the Cockcroft-Gault equation should read as follows:

In addition Table 1 contained some formatting errors. The correct version of Table 1 is included below.

Table 1

Patient characteristics (n = 204)

Age
Median, year	61
Range, year	18-92
Gender
Male, n(%)	123 (60.3)
Female , n(%)	81 (39.7)
Median CLcra, mL/min	88.7
NPb origin
Cancer related NP, n(%)	55 (27.0)
Chemotherapy related NP, n(%)	24 (11.7)
Non-cancer related NP, n(%)	125 (61.3)
Regular strong opioid
yes, n(%)	36 (17.6)
-fentanyl, n	17
-oxycodone, n	16
-morphine, n	3
Median dosec (range), mg/day	60 (15–300)
no, n(%)	168 (82.4)
Initial dose of pregabalin
150 mg/day, n(%)	124 (60.8)
75 mg/day, n(%)	73 (35.8)
50 mg/day, n(%)	3 (1.5)
25 mg/day, n(%)	4 (1.9)

aCLcr: creatinine clearance using the Cockcroft-Gault equation

bNP: neuropathic pain

cconverted to oral morphine