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Table 1 Characteristics for all surgical procedures and the THA, TKA&UKA and ACLR subgroups

From: Response rate and costs for automated patient-reported outcomes collection alone compared to combined automated and manual collection

  All surgical procedures (n = 5769) THA (n = 535) TKA&UKA (n = 742) ACLR (n = 430)
Age (y, mean ± SD) 50.3 ± 15.8 64.7 ± 8.3 64.3 ± 7.8 27.4 ± 9.5
BMI (kg/m2, mean ± SD) 26.0 ± 3.6 25.9 ± 3.5 28.0 ± 3.5 23.8 ± 2.9
Gender – female (n, (%)) 2715 (47.1%) 339 (63.4%) 377 (50.8%) 138 (32.1%)
ASA – II (n, (%)) 1986 (34.4%) 264 (49.4%) 438 (59.0%) 25 (5.81%)
  1. Note: THA indicates total hip arthroplasty, TKA indicates total knee arthroplasty, UKA indicates unicompartimental knee arthroplasty, ACLR indicates anterior cruciate ligament reconstruction, y indicates year, SD indicates standard deviation, BMI indicates body mass index, kg/m2 indicates kilogram per square meter, n indicates number, ASA indicates American Society of Anaesthesiologists classification