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. 2016 Jul 27;354:i3794. doi: 10.1136/bmj.i3794

Table 3.

Distribution of fracture sites between groups by period. Values are numbers (percentages)

Fracture sites Period before surgery (or index date) Period after surgery (or index date)
Bariatric (n=12 676) Obese (n=38 028) Non-obese (n=126 760) Bariatric (n=12 676) Obese (n=38 028) Non-obese (n=126 760)
All fractures 1639 3630 9760 621 1145 3375
Distal lower limb (knee, foot, ankle, and tibia/fibula) 1053 (64.2) 2149 (59.2) 4800 (49.2) 233 (37.5) 625 (54.6) 1585 (47.0)
Clinical spine 49 (3.0) 107 (2.9) 367 (3.8) 26 (4.2) 39 (3.4) 124 (3.7)
Pelvis, hip, and femur 73 (4.5) 151 (4.2) 426 (4.4) 76 (12.2) 83 (7.2) 247 (7.3)
Upper limb (shoulder, humerus, elbow, forearm, and wrist) 464 (28.3) 1223 (33.7) 4167 (42.7) 286 (46.1) 398 (34.8) 1419 (42.0)