Table 1.

Baseline characteristics of the patients with a first orthopedic surgical procedure (N = 1 012 823)

Age, y, median (25th‐75th percentile)	54.9 (36.2‐71.6)
Sex, n (%)
Men	472 275 (46.7)
Women	540 548 (53.4)
History of VTE before surgery, n (%)
Yes	23 881 (2.4)
No	991 860 (97.6)
Anatomic site of surgery, n (%)
Pelvis	17 023 (1.7)
Hip joint/femur	314 840 (31.1)
Knee/crus	481 435 (47.5)
Ankle/foot	199 525 (19.7)
Surgery type, n (%)
1: Biopsies, arthroscopies, and other smaller procedures	148 512 (14.7)
2: Primary arthroplasties	222 393 (22.0)
3: Repair of fractures	220 458 (21.8)
4: Amputations	25 714 (2.5)
5: Surgical treatment of tumors or infections	18 907 (1.9)
6: Soft‐tissue surgery (eg, meniscectomy, ligament reconstruction)	306 799 (30.3)
7: Other surgical procedures (eg, osteotomies and pseudo arthrosis surgery)	70 040 (6.9)