Comparison of concomitant injuries and patient-reported outcome in patients that have undergone both primary and revision ACL reconstruction—a national registry study

Svantesson, Eleonor; Hamrin Senorski, Eric; Kristiansson, Frida; Alentorn-Geli, Eduard; Westin, Olof; Samuelsson, Kristian

doi:10.1186/s13018-019-1532-z

Journal of Orthopaedic Surgery and Research

Table 6 Univariable analysis for the Knee Osteoarthritis Outcome Score at one-year follow-up after ACL revision with independent variables from the primary ACL reconstruction

From: Comparison of concomitant injuries and patient-reported outcome in patients that have undergone both primary and revision ACL reconstruction—a national registry study

		KOOS sport and recreation			KOOS QoL			KOOS₄
		Univariable			Univariable			Univariable
	Value	Mean (SD) Median n=	Beta (95% CI)	p value	Mean (SD) Median n=	Beta (95% CI)	p value	Mean (SD) Median n=	Beta (95% CI)	p value
Any meniscal injury	No	52.11 (30.19) 50.00 n = 256			46.44 (25.40) 43.75 n = 256			62.18 (21.80) 64.35 n = 256
Any meniscal injury	Yes	51.57 (30.46) 55.00 n = 226	− 0.54 (− 5.98;4.90)	0.85	44.99 (27.04) 43.75 n = 226	− 1.44 (− 6.14; 3.25)	0.55	61.25 (23.09) 65.05 n = 226	− 0.93 (− 4.95; 3.09)	0.65
MM injury	No	53.17 (29.95) 55.00 n = 367			46.32 (25.73) 43.75 n = 367			62.47 (22.05) 64.77 n = 367
MM injury	Yes	47.65 (31.11) 50.00 n = 115	− 5.52 (− 11.87; 0.83)	0.088	43.97 (27.57) 43.75 n = 115	− 2.35 (− 7.85; 3.14)	0.40	59.44 (23.40) 62.77 n = 115	− 3.03 (− 7.72; 1.67)	0.21
LM injury	No	51.79 (30.46) 50.00 n = 330			46.42 (26.01) 43.75 n = 330			62.16 (22.07) 64.88 n = 330
LM injury	Yes	52.01 (30.02) 55.00 n = 152	0.22 (− 5.62; 6.06)	0.94	44.33 (26.54) 43.75 n = 152	− 2.09 (− 7.14; 2.95)	0.41	60.85 (23.12) 63.99 n = 152	− 1.31 (− 5.63; 3.00)	0.55
Meniscal Surgical treatment	No	52.29 (30.49) 50.00 n = 286			46.35 (25.72) 43.75 n = 286			62.18 (22.26) 64.65 n = 286
Meniscal Surgical treatment	Yes	51.22 (30.06) 55.00 n = 196	− 1.07 (− 6.59; 4.46)	0.70	44.90 (26.85) 43.75 n = 196	− 1.45 (− 6.22; 3.32)	0.55	61.11 (22.63) 64.63 n = 196	− 1.07 (− 5.15; 3.01)	0.61
Meniscal resection	No	52.20 (30.43) 50.00 n = 316			45.95 (25.88) 43.75 n = 316			62.00 (22.37) 64.46 n = 316
Meniscal resection	Yes	51.20 (30.11) 55.00 n = 166	− 0.99 (− 6.70; 4.72)	0.73	45.41 (26.78) 43.75 n = 166	− 0.54 (− 5.47; 4.39)	0.83	61.26 (22.50) 65.05 n = 166	− 0.75 (− 4.97; 3.48)	0.73
Meniscal repair	No	51.53 (30.41) 50.00 n = 444			45.89 (26.20) 43.75 n = 444			61.64 (22.42) 64.49 n = 444
Meniscal repair	Yes	55.66 (28.97) 60.00 n = 38	4.13 (− 5.94; 14.19)	0.42	44.24 (26.09) 37.50 n = 38	− 1.65 (− 10.34; 7.05)	0.71	62.97 (22.35) 66.23 n = 38	1.33 (− 6.11; 8.78)	0.73
Cartilage injury	No	51.99 (29.60) 55.00 n = 395			45.73 (25.44) 43.75 n = 395			62.07 (21.54) 64.55 n = 395
Cartilage injury	Yes	51.26 (33.40) 50.00 n = 87	− 0.72 (− 7.78;6.33)	0.84	45.91 (29.41) 43.75 n = 87	0.18 (− 5.92; 6.27)	0.95	60.27 (26.00) 66.57 n = 87	− 1.80 (− 7.01; 3.42)	0.50
Highest grade on any cartilage injury	No injury	51.99 (29.60) 55.00 n = 395			45.73 (25.44) 43.75 n = 395			62.07 (21.54) 64.55 n = 395
	ICRS 1-2	51.64 (33.91) 60.00 n = 70			46.61 (29.94) 46.88 n = 70			60.60 (26.30) 69.14 n = 70
	ICRS 3-4	49.71 (32.18) 50.00 n = 17	− 0.76 (− 6.30; 4.78)	0.79	43.01 (27.77) 37.50 n = 17	− 0.29 (− 5.08; 4.49)	0.90	58.94 (25.43) 52.72 n = 17	− 1.52 (− 5.62; 2.57)	0.47
Cartilage injury patella	ICRS 0-2	51.76 (30.24) 50.00 n = 481			45.65 (26.08) 43.75 n = 481			61.67 (22.35) 64.56 n = 481
Cartilage injury patella	ICRS 3-4	100.00 (.) 100.00 n = 1	48.24 (− 11.24; 107.73)	0.11	100.00 (.) 100.00 n = 1	54.35 (3.06; 105.64)	0.038	100.00 (.) 100.00 n = 1	38.33 (− 5.63; 82.29)	0.087
Cartilage injury tibial plateau	ICRS 0-2	52.04 (30.23) 55.00 n = 478			45.95 (26.16) 43.75 n = 478			61.90 (22.31) 64.73 n = 478
Cartilage injury tibial plateau	ICRS 3-4	30.00 (33.42) 25.00 n = 4	− 22.04 (− 51.89; 7.81)	0.15	23.44 (16.44) 28.13 n = 4	− 22.51 (− 48.27; 3.25)	0.087	43.10 (28.40) 46.39 n = 4	− 18.81 (− 40.86; 3.25)	0.094
Cartilage injury femoral condyles	ICRS 0-2	51.87 (30.39) 55.00 n = 469			45.80 (26.25) 43.75 n = 469			61.79 (22.45) 64.77 n = 469
Cartilage injury femoral condyles	ICRS 3− 4	51.54 (27.57) 50.00 n = 13	− 0.33 (− 17.08; 16.42)	0.97	44.23 (23.73) 37.50 n = 13	− 1.57 (− 16.04;12.90)	0.83	60.15 (20.94) 52.72 n = 13	− 1.65 (− 14.03; 10.74)	0.79
Cartilage injury trochlea	ICRS 0− 2	51.86 (30.29) 52.50 n = 482	0.00 (.;.)	.	45.76 (26.17 ) 43.75 n = 482	0.00 (.;.)	.	61.75 (22.39) 64.63 n = 482	0.00 (.;.)	.
Cartilage injury trochlea	ICRS 3-4	n = 0			n = 0			n = 0
MCL injury	No	52.12 (30.40) 55.00 n = 460			45.95 (26.37) 43.75 n = 460			61.95 (22.48) 64.76 n = 460
MCL injury	Yes	46.36 (28.04) 50.00 n = 22	− 5.76 (− 18.75;7.24)	0.38	41.76 (21.60) 40.63 n = 22	− 4.19 (− 15.42;7.04)	0.46	57.57 (20.50) 59.60 n = 22	− 4.38 (− 13.98;5.23)	0.37
LCL injury	No	51.96 (30.31) 52.50 n = 478			45.80 (26.19) 43.75 n = 478			61.83 (22.37)64.63 n = 478
LCL injury	Yes	40.00 (29.72) 47.50 n = 4	− 11.96 (− 41.85;17.94)	0.43	40.63 (26.27) 43.75 n = 4	− 5.18 (− 31.02; 20.66)	0.69	51.53 (26.16) 56.89 n = 4	− 10.30 (− 32.40; 11.79)	0.36
PCL injury	No	51.98 (30.15) 55.00 n = 475			45.87 (26.05) 43.75 n = 475			61.89 (22.20) 64.70 n = 475
PCL injury	Yes	43.57 (41.00) 45.00 n = 7	− 8.41 (− 31.08; 14.26)	0.47	38.39 (34.69) 18.75 n = 7	− 7.48 (− 27.06; 12.11)	0.45	52.34 (34.11) 48.18 n = 7	− 9.55 (− 26.30; 7.20)	0.26
PLC injury	No	52.00 (30.25) 55.00 n = 480			45.90 (26.13) 43.75 n = 480			61.87 (22.34) 64.73 n = 480
PLC injury	Yes	17.50 (24.75) 17.50 n = 2	− 34.50 (− 76.60; 7.60)	0.11	12.50 (8.84) 12.50 n = 2	− 33.40 (− 69.75; 2.95)	0.072	32.90 (23.41) 32.90 n = 2	− 28.97 (− 60.07; 2.13)	0.068

ACL anterior cruciate ligament, ICRS international cartilage repair score, MCL medial collateral ligament, MM medial meniscus, LCL lateral collateral ligament, LM lateral meniscus, PCL posterior cruciate ligament, PLC posterolateral corner

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