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Table 2 Patient demographics

From: Incidence of venous thromboembolism and bleeding events in patients with lower extremity orthopedic surgery: a retrospective analysis of a Japanese healthcare database

Type of surgery TKA THA HFS Rupture of Achilles tendon Simple fracture of lower extremities
  5023 (13.6)a 3856 (10.4)a 20,991 (70.3)a 572 (1.5)a 6639 (18.0)a
Sex
 Male 906 (18.0) 657 (17.0) 4815 (22.9) 385 (67.3) 3733 (56.2)
 Female 4117 (82.0) 3199 (83.0) 16,176 (77.1) 187 (32.7) 2906 (43.8)
Age (years)
 <65 575 (11.4) 1518 (39.4) 1850 (8.8) 492 (86.0) 4302 (64.8)
 65 to 75 years 1713 (34.1) 1173 (30.4) 2573 (12.3) 58 (10.1) 1237 (18.6)
75 2735 (54.4) 1165 (30.2) 16,568 (78.9) 22 (3.8) 1100 (16.6)
 Mean ± SD 74.1 ± 7.9 67.4 ± 10.8 80.4 ± 12.7 45.5 ± 15.4 53.1 ± 21.4
Body weight (kg)
 Mean ± SD 59.0 ± 11.1 55.6 ± 11.2 47.4 ± 10.4 67.6 ± 13.2 61.1 ± 13.7
Body Mass Index (kg/m2)
 <18.5 93 (1.9) 246 (6.4) 4632 (22.1) 8 (14) 464 (7.0)
 18.5 to 25.0 1878 (37.4) 2085 (54.1) 10,371 (49.4) 272 (47.6) 3543 (53.4)
25.0 2270 (45.2) 1133 (29.4) 1968 (9.4) 191 (33.4) 1594 (24.0)
 Unknown 782 (15.6) 392 (10.2) 4020 (19.2) 101 (17.7) 1038 (15.6)
 Mean ± SD 25.6 ± 4.0 23.6 ± 4.0 20.7 ± 3.6 24.5 ± 3.5 23.3 ± 4.2
Etiologyb
 Osteoarthritis 4078 (81.2) 2848 (73.9)    
 Rheumatoid arthritis 252 (5.0) 82 (2.1)    
 Idiopathic osteonecrosis 147 (2.9) 265 (6.9)    
 Femoral neck fracture   18,518 (88.2)   
 Others 573 (11.4) 687 (17.8) 2248 (12.1)   
Type of anesthesia
 Spinal anesthesia 293 (5.8) 56 (15) 8737 (41.6) 281 (49.1) 2760 (41.6)
 Epidural anesthesia 2523 (50.2) 2318 (60.1) 1408 (6.7) 2 (0.3) 438 (6.6)
 General anesthesia 2203 (43.9) 1480 (38.4) 10,768 (51.3) 189 (33.0) 3392 (51.1)
  1. Abbreviations are the same as Table 1
  2. aNo. (%)
  3. bThere is some overlap