Does malalignment affect patient reported outcomes following total knee arthroplasty: a systematic review of the literature

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Table 6 Association between coronal malalignment and worse outcome

Author	Sample size	Type of radiograph	RAQ score	Outcome measure	Malalignment parameter	Association between malalignment and worse outcome
Aglietti et al. (2007)	53	LL	High risk	KSS (Clinical) HHS Patella score	cTFmA	Yes
Choong et al. (2012)	111	LL	Low risk	IKS SF-12	cTFmA	Yes
Blakeney et al. (2014)	93	CT	Medium risk	SF-12 OKS	cTFmA	Yes
Huang et al. (2012)	90	LL	Low risk	IKS SF-12	cTFmA	Yes
Longstaff et al. (2009)	146	CT	Low risk	KSS	cTA, cFA	Yes
Howell et al. (2013b)	101	CT	Medium risk	OKS WOMAC	cTFmA, cTA	No
Magnussen et al. (2011)	553	LL	High risk	KSS	cTFmA, cTA, cFA	No
Matziolis et al. (2010)	50	LL	High risk	KSS WOMAC SF36KSS	cTFmA, cTA, cFA	No
Stulberg et al. (2008)	52	LL	Low risk	KSS	cTFmA	No
Gothesen et al. (2014)	175	LL	Low risk	KSS	cTFmA, cTA, cFA	No
Czurda et al. (2010)	38	LL	Low risk	WOMAC KSS	cTFmA, cFA	No
Bach et al. (2009)	98	SL	High risk	KSS, HSS, Bristol score, NHP	cTFaA, cTA, cFA	No
Bankes et al. (2003)	198	SL	Low risk	KSS	cTFaA, cTA, cFA	No
Nicoll and Rowley (2010)	45	SL	High risk	KSS	cTFaA, cTA, cFA	No

KSS knee society score, HHS harris hip score, NHP Nottingham health profile, WOMAC Western Ontario and McMaster Universities Arthritis index, OKS Oxford knee score, SF-12 short form-12, cTFmA coronal tibio-femoral mechanical alignment, cTFaA coronal tibio-femoral anatomical alignment, cTA coronal tibial alignment, cFA coronal femoral alignment, LL long leg radiograph, SL straight leg radiograph