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Table 4 Range of effect sizes for each instrument across all studies (pre- to post-arthroscopy)

From: Physical Activity Following Hip Arthroscopy in Young and Middle-Aged Adults: A Systematic Review

MeasureStudyNumber (n)Follow-up period*SPD (95% CI)
HOS-SSWu et al .[128]
Rhee et al. [115]
68
37
≥ 25 months
7-12 months
− 5.27 (− 5.98 to − 4.55)
-0.52 [-0.98 to -0.05]
HOOS-SRFlores et al. [70]397 to 12 months-2.02[-2.57 to -1.47]
 Ibrahim et al. [85]88≥25 months-0.63[-0.93 to -0.32]
HAGOS-SRBennell et al.[Group 1] [131]
Ishoi et al. [17]
11
108
≤6 months≥
25 months
-2.21 [-3.24 to -1.17]
-0.66 [-0.93 to -0.38]
HAGOS-PASansone et al. [118]
Lund et al. [99]
85
1835
7 to 12 months
21 to 42 months
-1.48 [-1.82 to -1.14]
-0.85 [-0.92 to -0.78]
HSASLund et al. [99]
Bennell et al. [131]
1835
11
21 to 42 months
≤6 months
-0.41 [-0.48 to -0.34]
0 [-0.79 to 0.79]
TegnerBennell et al. [Group 1] [131]
Bennell et al. [Group 2] [131]
11
11
≤6 months
≤6 months
-0.9 [-1.74 to -0.07]
-0.64 [-1.43 to 0.15]
  1. n number of participants, SPD standard paired difference, CI confidence interval, HOS-SS Hip Outcome Score-Sport Scale, HOOS-SR Hip Disability and Osteoarthritis Outcome Score-Function in Sport and Recreation, HAGOS-SR/PA The Copenhagen Hip and Groin Outcome Score-Physical Function in Sport and Recreation / Participation in Physical Activities, HSAS Hip Sports Activity Scale, Tegner Tegner Activity Scale,
  2. *Interpreted as large effect (≥ 0.8), moderate effect (0.5–0.79), and weak effect (0.2–0.49) [36]