Table 1.
Personal and biomechanical data for those with and without PFP (n = 76)
| Variables | Total (N = 76) |
PFP (N = 38) |
CON (N = 38) |
|---|---|---|---|
| Sex. % | |||
|
Male Female |
42 (55.3) 34 (44.7) |
24 (63.2) 14 (36.8) |
18 (47.4) 20 (52.6) |
| Age, y | 33 (16) | 34 (15) | 31 (19) |
| Weight, kg | 65.6 (15.7) | 65.1 (14) | 67.5 (17.5) |
| Height, cm | 172.1 (18.4) | 173.2 (8.4) | 169.6 (21.4) |
| BMI, kg/m2 | 22.3 (2.6) | 22.3 (2.3) | 22.2 (2.3) |
| VALR, BW/s | 60.3 (25.5) | 67.8 (21.3) | 55.7 (23.1) |
| VILR, BW/s | 69.4 (30.9) | 77.2 (22.9) | 65.8 (25.8) |
| BGRFI, BW*s | 0.014 (0.002) | 0.014 (0.002) | 0.015 (0.002) |
| Contact Time, s | 0.26 (0.02) | 0.27 (0.02) | 0.26 (0.02) |
| Step rate, steps/min | 165.2 (9.6) | 167.0 (8.9) | 165.6 (10.4) |
aBGRFI = braking ground reaction force impulse; BMI = body mass index; CON = controls; PFP = patellofemoral pain; VALR = vertical average loading rate; VILR = vertical instantaneous loading rate
bContinuous variables = mean (SD) or median (IQR)
cCategorical variables = n (%)