Skip to main content

Table 4 Univariate analysis of intraoperative risk factors for surgical site infection (SSI) among patients who underwent caesarean sections

From: Incidence and predictors of surgical site infections following caesarean sections at Bugando Medical Centre, Mwanza, Tanzania

 

Surgical site infection (SSI)

  

Predictive factors

Yes n (%)

No n (%)

HR (95% CI)

p - value

Wound class

    

 Clean or clean-contaminated

12 (5.9)

190 (94.1)

1.0

 

 Contaminated or dirty

22 (15.4)

121 (84.6)

2.7 (1.4-5.5)

0.005

Type of anaesthesia used

    

 Regional

32 (9.7)

298 (90.30

1.0

 

 General

2 (13.3)

13 (86.7)

1.5 (0.4-6.5)

0.551

Type of skin incision

    

 Transverse

3 (3.5)

83 (96.5)

1.0

 

 Vertical

31 (12.0)

228 (88.0)

3.6 (1.1-11.8)

0.034

Duration of procedure in mins

    

 ≤60

24 (8.3)

265 (91.7)

1.0

 

 >60

10 (17.9)

46 (82.1)

2.4 (1.1-5.0)

0.020

Type of surgeon

    

 Senior*

26 (8.4)

282 (91.6)

1.0

 

 Junior**

8 (21.6)

29 (78.4)

2.8 (1.3-6.1)

0.012

Number of people in theatre

    

 ≤5

8 (13.8)

50 (86.2)

1.0

 

 >5

26 (9.1)

260 (90.9)

0.7 (0.3- 1.4)

0.289

Estimated blood loss in mls

    

 ≤500

25 (9.3)

245 (90.7)

1.0

 

 >500

9 (12.0)

66 (88.0)

1.4 (0.6-2.9)

0.436

Antibiotic used

    

 Non-ampicillin regimen

14 (8.2)

156 (91.8)

1.0

 

 Ampicillin regimen

20 (11.5)

154 (88.5)

1.4 (0.7- 2.8)

0.304

Duration of antibiotic course

    

 Single dose

7 (8.5)

75 (91.5)

0.8 (0.4-1.8)

0.608

 Multiple doses

27 (10.3)

235 (89.7)

1.0

 
  1. Abbreviations: HR hazard ratio, CI confidence interval.
  2. *Senior doctor included postgraduate student, registered medical doctor and specialist.
  3. **Junior surgeon defined an intern doctor.