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Table 1

From: Effectiveness of circular external fixator in periprosthetic fractures around the knee

Case no.Sex/age (years)Follow-up (months)ComorbiditiesVancouver classificationLewis–Rorabeck classificationFelix classification typeTime to union (weeks)
1F/8754 (died)Rheumatoid arthritis, Untreated osteoporosisC  15
2M/8072Chronic heart failure, Chronic renal failure, Untreated osteoporosisC  11
3F/6989Hypertension, Untreated osteoporosisC  12
4M/6973Hypertension, Diabetes mellitusC  20
5F/8150Hypertension, Diabetes mellitus, osteoporosis   10
6F/8788Hypertension, Diabetes mellitus, Untreated osteoporosis II 12
7F/8385Hypertension, Untreated osteoporosis II 12
8F/8049Diabetes mellitus, Untreated osteoporosis II 11
9F/8852Hypertension, Untreated osteoporosis II 11
10F/8169Hypertension, Diabetes mellitus, Chronic heart failure, Untreated osteoporosisII 8
11F/8751Hypertension, Diabetes mellitus, Chronic heart failure, Untreated osteoporosisII 12
12F/8416Hypertension, Chronic heart failure, Untreated osteoporosis II 11
13F/6889Hypertension, Diabetes mellitus, Untreated osteoporosis II 15
14F/7975Untreated osteoporosis II 10
15M/6457Diabetes mellitus II 27
16M/7068Diabetes mellitus II 11
17F/6424Rheumatoid arthritis, Hypertension, Osteoporosis II 12
18F/8470Severe anemia, Severe obesity, Hypertension, Diabetes mellitus, OsteoporosisII 38
19F/8419 (died)Rheumatoid arthritis, Hypertension, Diabetes mellitus, Untreated osteoporosisIIA10
Mean79.262.8    14.1
  1. F, female; M, male