Effect of total knee arthroplasty on the spinopelvic parameters: A systemic review and metanalysis

Table 1 Description of the studies included in the meta-analysis

Ref.	Year of publication	Sample size	Outcomes measured	Country	Any comorbidity	Post-op follow-up period	Level of evidence	Risk of bias
Kim et al[13]	2020	101	LL, PT, SS	South Korea	Knee FC in all patients	3 months, 12 months	Pre and post study design	Moderate
Kitagawa et al[10]	2021	110	LL, PT, SS, PI	Japan	Maximum had knee FC	1 month	Pre and post study design	Moderate
Batibay et al[8]	2020	83	LL, PT, SS, PI	Turkey	-	12-63 months, mean 37 months	Pre and post study design	Moderate
Han et al[12]	2021	36	LL, PT, SS, PI	South Korea	Knee FC in all patients	2 weeks, 6 weeks, 6 months, 1 year, 2 years	Pre and post study design	Moderate
Shichman et al[9]	2023	113	LL, PT, SS	United States	Knee FC in 20 patients	3 months	Pre and post study design	Moderate
Puthiyapura et al[11]	2022	32	LL, PT, SS, PI	India	Knee FC (> 100) correction in 15/32 patients	3 months	Pre and post study design	Moderate

FC: Flexion contracture; LL: Lumbar lordosis; PI: Pelvic incidence; PT: Pelvic tilt; SS: Sacral slope.