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Table 1 Follow-up rates for the study groups

From: Magnitude and meaningfulness of change in SF-36 scores in four types of orthopedic surgery

Group Number of participants (% of baseline)
  Baseline 3 months 6 months 1 year 2 years 5 years
Total hip replacement (controls) 110 - 74 (67%) - - 71 (65%)
Total hip replacement (patients) 274 - 222 (81%) - - 179 (65%)
Total knee replacement 105 - 94 (90%) 87 (83%) - 80 (76%)
Arthroscopic partial meniscectomy 74 63 (85%) - - - -
Anterior cruciate ligament reconstruction 62 - 62 (100%) 55 (89%) 46 (74%) -