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Table 2 Variables significantly associated with relapse according to the Cox regression analysis

From: Factors predictive of relapse in adult bacterial osteomyelitis of long bones.

  HR (95% CI) P
Symptoms longer than 3 months 4.98 (1.42–17.54) 0.012
Bone exposure 12.66 (3.15–49.26) 0.0003
Type of surgical treatment   < 0.0001
None vs Debridement 3.41 (1.12–10.42) 0.031
None vs Debridement and flap 33.27 (7.80–141.88) < 0.0001
Debridement vs Debridement and flap 9.75 (2.10–45.21) 0.004