Table 1.

Descriptive characteristics of younger and older athletes

	Under 25 years (n=125)	25 years or older (n=88)	p-value
Female/male, n (% female)	59/66 (47.2)	33/55 (37.5)	0.159
Preinjury activity level I/II, n (% level I)	107/18 (85.6)	53/35 (60.2)	<0.001
Age, years (SD, min-max)	18.8 (2.8, 13.0–24.5)	33.6 (7.2, 25.0–52.3)	<0.001
BMI, kg/m2	24.0 (4.1)	25.9 (3.8)	0.001
Height, cm	173.1 (9.2)	176.4 (8.2)	0.006
Weight, kg	72.1 (15.1)	81.1 (16.2)	<0.001
Days from injury to surgery, median (Q1-Q3)	111.0 (70.5–196.5)	127.5 (82.5–207.3)	0.785
Graft type			0.018
Allograft, n (%)	27 (22.0)	35 (39.8)
Patellar tendon autograft, n (%)	26 (21.1)	16 (18.2)
Hamstring autograft, n (%)	69 (56.9)	37 (42.0)

Data are reported as mean (SD) unless otherwise indicated. Missing data: weight n=1, BMI n=1, graft type n=4. BMI: Body mass index