Correction: Osteopathic care for spinal complaints: A systematic literature review.

[This corrects the article DOI: 10.1371/journal.pone.0206284.].

In the Primary outcome-functional status subsection of the Results section, there is an error in the sixth sentence. The correct sentence is: In the study by Hensel et al. [29], osteopathic care was found to significantly improve functional status.

In the Primary outcome-functional status subsection of the Results section, there is an error in the last sentence. The correct sentence is: In another US study [30], functional status also significantly improved in the osteopathic care group compared to controls (Table 5).

Table 5

Effectiveness of osteopathic care related to the outcome ‘functional status’.

Study	Treatment protocol	treatment effect
		OT worse than controls	non-significant improvement OT	signif. improvement OT/no signif. between-group difference	significant between-group difference
EUROPEAN STUDIES
Peters (2006)	custom				x
Heinze (2006)	custom				x
Recknagel (2008)	custom				x
Schwerla (2015)	custom				x
Belz (2015)	custom				x
UK BEAM (2004)	semi-standardized				x
Chown (2008)	semi-standardized			x
Vismara (2012)	semi-standardized				x
US STUDIES
Andersson (1999)	custom		x
Licciardone (2003)	custom		x
Cruser (2012)	semi-standardized			x
Licciardone (2013b)	semi-standardized		x
Hensel (2015)	semi-standardized			OT vs. PUT	OT vs. UOC
Licciardone (2016)	semi-standardized		x
Licciardone (2010)	standardized				x

OT, osteopathic treatment; PUT, placebo ultrasound treatment; UOC, usual obstetrical care

There is an error in Table 5. The treatment effect of the Licciardone (2010) study should be noted as having a significant between-group difference.