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Table 1 Patient characteristics

From: When can total knee arthroplasty be safely performed following prior arthroscopy?

Demographics KA group (n = 87) Control group (n = 174) SMD P
Age (mean ± SD) 63.1 ± 7.9 63.0 ± 7.6 0.0012 0.983
Male (n, %) 37 (42.5%) 75 (43.1%) 0.0063 0.930
BMI (mean ± SD) 27.9 ± 4.6 27.7 ± 4.9 0.0039 0.912
ASA (mean ± SD) 2.3 ± 0.9 2.3 ± 0.7 0.0015 0.946
Diagnosis    0.0029 0.883
 Osteoarthritis 72 (82.8%) 146 (83.9%)
 Rheumatoid arthritis 9 (10.3%) 17 (9.8%)
 Posttraumatic arthritis 6 (6.9%) 11 (6.3%)