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

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Table 7 Association between sagittal malalignment and worse outcome

Author	Sample size	Type of radiograph	RAQ score	Outcome measure	Malalignment parameter	Association between malalignment and worse outcome
Bankes et al. (2003)	198	SL	Low risk	KSS	sFA, sTA	No
Bach et al. (2009)	98	SL	High risk	KSS, HSS, Bristol score, NHP	sFA, sTA	No
Stulberg et al. (2008)	52	LL	Low risk	KSS	sFA, sTA	No
Longstaff et al. (2009)	146	CT	Low risk	KSS	sFA, sTA	No

KSS knee society score, HSS hospital for special surgery score, NHP Nottingham health profile, sTA sagittal tibial angle, sFA sagittal femoral angle, LL long leg radiograph, SL straight leg radiograph