Skip to main content

Table 1 Characteristics, diagnosis, and surgical information in each technique

From: Association between intraoperative computed tomography navigation system and incidence of surgical site infection in patients with spinal surgeries: a retrospective analysis

 

Intraoperative imaging information

No imaging (n = 208)

C-arm only (n = 55)

O-arm only (n = 213)

Both arms (n = 36)

Characteristics

    

 Agea, years

65.00 (54.25–75.00)

57.00 (16.00–66.25)

63.00 (21.0–72.00)

64.50 (58.00–71.50)

 Female sex, N (%)

103 (49.5)

27 (49.1)

117 (54.9)

23 (63.9)

 BMIa, kg/m2

24.52 (21.87–27.84)

22.00 (18.76–26.54)

22.97 (20.37–26.11)

25.32 (22.17–28.60)

 Obesity, N (%)

102 (49.0)

17 (30.9)

71 (33.3)

20 (55.6)

 Hypertension, N (%)

79 (38.0)

13 (23.6)

70 (32.9)

15 (41.7)

 Diabetes, N (%)

34 (16.3)

9 (16.4)

49 (20.0)

10 (27.8)

 Hyperlipidemia, N (%)

11 (5.3)

3 (5.5)

11 (5.2)

3 (8.3)

 Chronic renal failure, N (%)

12 (5.8)

0 (0)

3 (1.4)

2 (5.6)

 Steroid use, N (%)

3 (1.4)

1 (1.8)

8 (3.8)

6 (16.7)

 Smoking, N (%)

10 (4.8)

5 (9.0)

12 (5.6)

0 (0)

 ASA-PS ≥ 3, N (%)

53 (25.5)

18 (32.7)

70 (32.9)

9 (25.0)

 JOA scorea

13.50 (11.50–15.00)

15.00 (11.00–17.00)

14.00 (10.50–17.00)

13.25 (11.75–15.00)

Diagnosis

    

Trauma

    

 Cervical, N (%)

1 (0.5)

2 (3.6)

3 (1.4)

0 (0)

 Thoracic, lumbar, N (%)

3 (1.4)

3 (5.5)

7 (3.3)

0 (0)

Degenerative disease

    

 Cervical, N (%)

38 (18.3)

9 (16.4)

107 (50.2)

2 (5.6)

 Thoracic and lumbar, N (%)

95 (45.7)

19 (34.5)

13 (6.1)

31 (86.1)

Spinal cord tumor, N (%)

52 (25)

1 (1.8)

7 (3.3)

0 (0)

Spinal deformity, N (%)

6 (2.9)

17 (30.9)

64 (30.0)

3

RA, N (%)

1 (0.5)

1 (1.8)

7 (3.3)

0 (0)

DSA, N (%)

0 (0)

0 (0)

3 (1.4)

0 (0)

Metastatic disease, N (%)

1 (0.5)

0 (0)

2 (0.9)

0 (0)

Others, N (%)

11 (5.3)

3 (5.5)

0 (0)

0 (0)

Surgical information

    

 Instrumentation, N (%)

5 (2.4)

51 (92.7)

134 (62.9)

36 (100)

 Posterior surgery, N (%)

208 (100)

54 (98.2)

210 (98.6)

34 (94.4)

 Number of surgical levelsa

2.00 (1.00–3.00)

4.00 (1.00– 7.00)

5.00 (4.00 – 8.00)

2.00 (1.00 – 3.00)

 Duration of surgerya

176.50 (123.00–257.00)

266.00 (198.00 – 352.00)

262.00 (181.50– 366.00)

269.50 (225.50– 373.20)

Blood loss (mL)a

95.00 (30.00–217.50

350.00 (150.00–810.00)

250.00 (80.00–580.00)

240.00 (122.25–560.00)

  1. BMI, body mass index; ASA-PS, American Society of Anesthesiologists Physical Status; JOA, Japanese Orthopaedic Association., RA: rheumatoid arthritis, DSA: destructive spondyloarthropathy
  2. aValues are presented as median value and interquartile (IQR)