Meta-analysis of factors influencing anterior knee pain after total knee arthroplasty

Table 1 Basic information (e.g., patellar resurfacing vs no patellar resurfacing)

Ref.	Follow-up time	Patients included (resurfacing/non-resurfacing)	Resurfacing		Non-resurfacing
			Patients with AKP	Patients available	Patients with AKP	Patients available
Koh et al[16], 2019	5 yr	49/49	29	49	30	49
Thiengwittayaporn et al[15], 2019	1 yr	42/42	0	41	2	39
Ha et al[17], 2019	5 yr	66/66	1	60	1	60
Deroche et al[13], 2022	18.0 months (mean)	123/123	14	116	15	105
Agarwala et al[4], 2018	19.0 months	60/60	7	60	9	60
Zou et al[19], 2011	16.5 months (mean)	64/64	7	64	9	64
Burnett et al[22], 2004	10 yr	50/50	7	19	5	20
Burnett et al[20], 2009	10 yr	59/59	8	38	6	40
Barrack et al[24], 2001	70.5 months	59/59	9	47	8	46
Wood et al[23], 2002	48.0 months (mean)	110/110	15	91	39	127

AKP: Anterior knee pain.