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Table 1 Patient demographic data

From: Individual headless compression screws fixed with three-dimensional image processing technology improves fusion rates of isolated talonavicular arthrodesis

Male/female

39/30

Age at op. (years)

54.28 ± 9.6

Duration(ms)

14.48 ± 6.1

Left/right (no.)

28/41

Diagnosis

 Posttraumatic arthritis

24(34.8%)

 Primary osteoarthritis

15(21.7%)

 Inflammatory osteoarthritis

5(7.2%)

 Rheumatoid arthritis

8(11.6%)

 Adult-acquired flatfoot

9(13.0%)

 Juvenile pas calcaneal valgus

6(8.7%)

 Posterior tibial tendon insufficiency

2(3.0%)