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Table 1 Preoperative patient characteristics of the primary THA cohort

From: Increasing obesity and comorbidity in patients undergoing primary total hip arthroplasty in the U.S.: A 13-year study of time trends

  Primary THA (n = 6,168) N (%) or Mean (SD)
Gender
 Females 3175 (52%)
 Males 2993 (48%)
Age
 <50 975 (16%)
 50- < 65 1626 (26%)
 65- <80 2947 (48%)
 ≥80 620 (10%)
Body Mass Index (BMI)
 <25 1505 (24%)
 25 29.99 2356 (38%)
 30 34.99 1497 (24%)
 35 39.99 506 (8%)
 ≥40 279 (5%)
American Society of Anesthesiologists (ASA) class
 I 359 (6%)
 II 3468 (56%)
 III 2256 (37%)
 IV 59 (1%)
Underlying Diagnosis
 Inflammatory arthritis 162 (2%)
 Osteoarthritis 5339 (87%)
 Other 666 (11%)
Cement Fixation
 Uncemented 2224 (36%)
 Cemented/hybrid 3943 (64%)
Age, mean (SD) 64.2 (13.8)
Deyo-Charlson Index, mean (SD) 1.0 (1.9)
BMI, mean (SD) 28.9 (5.8)
  1. Missing data: BMI, n = 25; ASA score, n = 26; Underlying diagnosis, n = 1.