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Table 1 Demographic and injury characteristics of 193 patients associated with treatment remission and failure of PTOa

From: Predisposing factors for recurrence of chronic posttraumatic osteomyelitis: a retrospective observational cohort study from a tertiary referral center in Brazil

Demographic data

N = 193 (%)

 Age (mean [range]) (years)

50 (16–88)

 Male sex (no. [%])

133 (68.9)

Comorbidities (no. [%])

 Smoking

59 (30.5)

 Intraoperative hyperglycemia

58 (30.0)

Occupation (no. [%])

 Farmer

26 (13.5)

 Driver (car, motorcycle, truck)

24 (12.5)

 Construction/Machine Operation

44 (22.8)

 Business

40 (20.7)

 Household activities

59 (30.5)

Types of injury (no. [%])

 Motor vehicle accident

110 (57.0)

 Fall from height (<1m)

57 (29.5)

 Football related injury

3 (1.5)

 Other falls

18 (9.6)

 Other injuries

8 (4.0)

 Penetrating injury by a wooden foreign body

3 (1.5)

 High-energy injury

133 (68.9)

Gustilo & Anderson Classification for open fractures

73 (37.8)

 Type-I (no. [%])

14 (19.2)

 Type-II (no. [%])

23 (31.5)

 Type-III (no. [%])

36 (49.3)

 Closed fracture

120 (62.2)

 More of one surgical debridement

77 (39.9)

 Polytrauma

46 (23.8)

American Society of Anesthesiologists score (no. [%])

 ASAb I – II (1 or 2)

166 (90.7)

 ASAb III – IV (>2)

17 (9.3)

 Intraoperative blood transfusion

66 (34.2)

 Duration of surgery (media [range]) (hours)

2.61 (1–8)

Infected Fracture Location (no. [%])

 Upper limbs

44 (22.8)

 Lower limbs

154 (79.2)

 Collarbone

7 (3.6)

 Humerus

12 (6.2)

 Radius

13 (6.7)

 Ulna

16 (8.2)

 Hands

3 (1.5)

 Femur

59 (30.5)

 Knee

9 (4.6)

 Tibia

56 (29)

 Fibula

11 (5.7)

 Foot

19 (9.8)

  1. PTOa: posttraumatic osteomyelitis
  2. ASAb: American Society of Anesthesiologists