Table 1

Demographic characteristics, radiographic and patient-reported outcome measures for hip and/or groin pain and control participants

Hip and/or groin pain group
(n=182)
Control group
(n=55)
Demographic characteristics
 Age, year26.0 (23, 30)26.0 (23, 31)
 Sex, women (%)37 (20)14 (25)
 Height, m1.79 (1.73, 1.85)1.79 (1.72, 1.85)
 Weight, kg77.9 (72, 86)78.7 (67, 89)
BMI, kg/m224.2 (23, 26)24.3 (22, 27)
Football code, % soccer5055
Training/competition session (per week), %
  Two to 3 sessions8982
  ≥4 sessions1118
 Duration of symptoms, months*24 (18, 49)
Imaging measures
KL grade, hips (%)
  Grade 0277 (96)105 (95)
  Grade 111 (4)5 (5)
 Alpha angle (AP), deg52 (45, 76)48 (43, 78)
 Alpha angle (Dunn 45°), deg†69 (56, 79)65 (55, 75)
Patient-reported outcome measures
 iHOT3364 (50, 74)98 (97, 100)
 HAGOS–Symptoms‡61 (51, 68)100 (93, 100)
 HAGOS–Pain‡75 (65, 83)100 (100, 100)
 HAGOS–ADL‡80 (70, 95)100 (100, 100)
 HAGOS–sports/recreation‡66 (52, 77)100 (100, 100)
 HAGOS–PA§63 (38, 75)100 (100, 100)
 HAGOS–QOL‡60 (50, 70)100 (100, 100)
  • Values are presented as %, or median (IQR).

  • *181 symptomatic participants.

  • †274 symptomatic hips/108 control hips.

  • ‡176 symptomatic participants/54 control participants.

  • §175 symptomatic participants/54 control participants.

  • ADL, activities of daily living; AP, anteroposterior; BMI, body mass index; HAGOS, Hip and Groin Outcome Score; IHOT33, International Hip Outcome Tool 33; KL, Kellgren and Lawrence; PA, physical activity; QOL, quality of life.