Table 3.

Subsequent Procedures Stratified to 2- and 6-Year Follow-up

	Overall (n=1272 procedures) N (% follow-up cohort)	0–2 years (n=731 procedures) N	2–6 years (n=541 procedures) N	Median (months)
Revision ACL Reconstruction	226 (7.5)	126	100	21.1
Meniscus	357 (11.9)			21.8
Medial repair	51 (1.7)	30	21	20.7
Medial meniscectomy	170 (5.7)	90	80	23.0
Lateral repair	7 (<1)	3	4	24.4
Lateral meniscectomy	122 (4.1)	73	49	20.1
Transplant	1 (<1)	1	0	11.0
Other / unknown	6 (<1)	2	4	24.5
Articular Cartilage	201 (6.7)			25.9
Chondroplasty	99 (3.3)	52	47	21.8
Microfracture	30 (1.0)	9	21	42.6
OATS	4 (<1)	1	3	34.3
ACI	1 (<1)	1	0	19.7
Patellar debridement	49 (1.6)	22	27	25.8
Loose body	18 (<1)	5	13	38.4
Arthrofibrosis	235 (7.8)			14.3
Anterior debridement	139 (4.6)	98	41	14.3
Synovectomy	64 (2.1)	38	26	19.8
Lateral release	7 (<1)	5	2	15.0
LOA/MUA	25 (<1)	25	0	7.3
Hardware	87 (2.9)			16.1
ITB debridement	19 (<1)	18	1	6.0
ROH femur	9 (<1)	5	4	22.6
ROH tibia	58 (1.9)	33	25	20.6
Unknown	1 (<1)	0	1	54.4
Infection	35 (1.2)			1.2
I&D superficial	11 (<1)	10	1	1.1
I&D deep	19 (<1)	19	0	1.2
Other	5 (<1)	4	1	1.9
Ligament (Other)	5 (<1)			6.0
MCL	1 (<1)	1	0	12.0
LCL	2 (<1)	2	0	6.0
PCL	0	0	0	--
PLC	2 (<1)	1	1	28.9
Popliteal	0	0	0	--
Other	39 (1.3)	29	10	14.3
TKA	19 (0.6)	5	14	45.3
No Operative Report	68 (2.3)	23	45	38.3

Key: ACI=Autologous Chondrocyte Implantation; ACL=anterior cruciate ligament; I&D=irrigation and debridement; ITB=iliotibial band; LCL=lateral collateral ligament; LOA/MUA= lysis of adhesions / manipulation under anesthesia; MCL=medial collateral ligament; OATS=Osteochondral autograft Transfer System; PCL=posterior cruciate ligament; PLC=posterolateral corner; ROH=removal of hardware; TKA=total knee arthroplasty