Table 1.

Demographics and Outcome Measure Means (mean [standard deviation])

Participants	11 (50%) Males
	11 (50%) Females
Age at Six-Month Follow-Up	21.95 [4.55] yrs
BMI at Six-Month Follow-Up	23.81 [2.59] kg/m2
History of Concomitant Meniscal Injury With ACLR	No Meniscal Injury = 8
	Medial Injury = 1 (1 Repair)
	Lateral Injury = 11 (6 meniscectomy, 1 repair and meniscectomy, 3 repairs, 1 untreated)
	Medial and Lateral Injury = 2 (1 medial and lateral meniscectomy, 1 medial repair and lateral meniscectomy)
History of Concomitant Chondral Injury With ACLR	Yes = 8
	No = 14
KOOS Pain Prior to Surgery	59.55 [18.38]
KOOS Symptoms Prior to Surgery	45.18 [16.11]
KOOS Function in Daily Living Prior to Surgery	64.68 [19.67]
KOOS Sport/Recreation Prior to Surgery	22.64 [30.07]
KOOS Quality of Life Prior to Surgery	25.95 [20.50]
Tegner Activity Scale at the Six-Month Follow-Up Exam	Level 1 = 3
	Level 2 = 1
	Level 3 = 0
	Level 4 = 3
	Level 5 = 7
	Level 6 = 5
	Level 7 = 0
	Level 8 = 0
	Level 9 = 0
	Level 10 = 0
	Missing = 3
C2C at the Six-Month Follow-Up Exam	62.10 [12.61] ng/ml
CPII at the Six-Month Follow-Up Exam	413.36 [83.95] ng/ml
C2C: CPII at the Six-Month Follow-Up Exam	0.15 [0.02]
ARGS at the Six-Month Follow-Up Exam	0.22 [0.05] pmol/ml
IL-6 at the Six-Month Follow-Up Exam	0.73 [1.02] pg/ml
MMP-3 at the Six-Month Follow-Up Exam	0.71 [0.56] ng/ml
Days Between Injury and ACLR	31.00 [14.39] days
Days Between Injury and Six-Month Follow-up Exam	228.55 [22.69] days
Days Between ACLR and Six-Month Follow-up Exam	197.45 [19.85] days

BMI – Body Mass Index, ACLR – Anterior Cruciate Ligament Reconstruction, KOOS – Knee Osteoarthritis and Outcome Score, C2C – Type-II Collagen Cleavage Product, CPII – CPropeptide of Type-II Collagen Procollagen, ARGS – Alanin-Arginine-Glycine-Serine, IL-6 – Interleukin-6, MMP-3 – Matrix Metalloproteinase-3