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Table 2 Number of PFP participants and subject specifications (Mean and (SD)) for the determined clusters

From: Runners with patellofemoral pain demonstrate sub-groups of pelvic acceleration profiles using hierarchical cluster analysis: an exploratory cross-sectional study

  Males (n = 44) Females_C1 (n = 26) Females_C2 (n = 40)
Age [years]a 35.1 (1.5) 30.9 (2.0) 36.4 (1.6)
Height [m]b 1.79 (0.01)* 1.66 (0.01) 1.66 (0.01)
Mass [kg]b 77.2 (1.3)* 59.1 (1.7) 63.4 (1.4)
Running speed [m/s]b 2.66 (0.03) 2.60 (0.04) 2.57 (0.03)
Years running [years]b 8.6 (8.0) 7.0 (7.1) 9.0 (7.7)
Involvement [uni/bilateral]c 20 / 24 13 / 13 14 / 26
Injury site [single/multiple]c 33 / 11 19 / 7 32 / 8
  1. aOne-way ANOVA; b Kruskal-Wallis test; c chi-squared test; * significantly different from other 2 groups