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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 4 Parameters associated with prolonged healing time

From: Can a combination of different risk factors be correlated with leg fracture healing time?

Parameter

Relative risk

Confidence interval 95 %

Malnutrition

4.1

1.3–48.4

Tibia fracture without fibia involvement

1.6

1.0–4.8

Loss of bone substance

4.0

1.1–15.8

Graft with saw bone

12.3

1.3–114.6

Plate + diastasis

6.0

1.0–34.4

Plate + instability

3.2

1.0–20.8

Locking compression plate

2.8

1.2–10.8

Plate + blood loss

4.4

1.2–16.1

Plate + plastera

0.9

0.3–1.0

Age (age classes)

1.2

1.0–2.3

Obesity

1.5

1.1–7.5

Smoking

3.0

1.4–9.9

Type of fracture (closed; exposed < 5 cm; exposed > 5 cm, open grade I)

2.0

1.1–3.8

Localization (diaphysis; epiphysis-metaphysis)

3.1

1.3–10.0

Instability

1.8

1.1–5.5

Diastasis

1.4

1.0–4.2

Alignmenta

0.4

0.0–0.8

Treatment (conservative; plate; endomedullary nail; external fixator)

7.9

2.5–25.3

  1. Table shows parameters associated with prolonged healing time
  2. aAssociated with reduced risk