Table 1.

Number of articles on interspinous devices and cervical arthroplasty from January 1st, 2008 till December 1st, 2010 related to financial disclosure, funding and the conclusion

	Financial disclosure reported		No financial disclosure reported		No need to report disclosures		Disclosures known but no need to mention them		Total
	Funding	No funding	Funding	No funding	Funding	No funding	Funding	No funding
Positive conclusion	17	24	10	24	–	20	1	8	104
Neutral/negative conclusion	2	1	1	32	–	20	–	–	56
Total	19	25	11	56	–	40	1	8	160
Total	44		67		40		9		160

Financial disclosure reported: clear statement of having a financial disclosure is made in the publication, No financial disclosure reported: a clear statement of not having a financial disclosure is made in the publication; No need to report disclosures: the journal did not ask to publish disclosures relating to the article and they are not clearly stated; Disclosures known but no need to mention them: form other publications it was known that a financial disclosure was present but the journal in which the article of interest was published did not publish any financial relationships