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Table 4 Risk factors for infection following surgery in patients with ingrowing nails only

From: Risk factors for infection following ingrowing toenail surgery: a retrospective cohort study

 

Infections / n

Infection rate (95% CI)

Risk ratio (95% CI)

P value+

Age

  < 18

11 / 475

2.3% (1.2–4.1)

1

 

 18–59

29 / 727

4.0% (2.7–5.7)

1.75 (0.87–3.54)

0.14

  ≥ 60

25 / 359

7.0% (4.6–10.1)

3.16 (1.53–6.51)

< 0.01 *

Sex

 Male

32 / 737

4.3% (3.0–6.1)

1

 

 Female

33 / 824

4.0% (2.8–5.6)

0.92 (0.56–1.51)

0.80

ASA

 1

44 / 1163

3.8% (2.8–5.0)

1

 

  ≥ 2

21 / 398

5.3% (3.3–8.0)

1.42 (0.83–2.41)

0.19

Surgery Facility

 Hospital/Surgicentre

22 / 732

3.0% (1.9–4.5)

1

 

 Office

43 / 829

5.2% (3.8–6.9)

1.77 (1.05–2.98)

0.04 *

Procedure

 Wedge Resection

31 / 743

4.2% (2.9–5.9)

1

 

 Partial Resection

22 / 578

3.8% (2.4–5.7)

0.91 (0.52–1.59)

0.78

 Radical Excision

9 / 97

9.3% (4.3–16.9)

2.35 (1.08–5.01)

0.04 *

 Total Removal

2 / 46

4.3% (0.5–14.8)

1.04 (0.24–4.50)

1.00

 Multiple/other procedures

1 / 97

1.0% (0.0–5.6)

0.24 (0.03–1.77)

0.16

  1. + P value calculated using Fisher’s exact test (2-sided)
  2. * Statistically significant at p < 0.05