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Table 1 Surgery related characteristics of the patients

From: Prophylactic antimicrobials may not be needed to prevent surgical site infection after skin biopsy: a retrospective study

Surgery related characteristics of the patients

Antibacterial drug used (n = 27) (mean ± SDa)

No antibacterial drug used (n = 48) (mean ± SD)

P value

Suture (+:−)

23:4

19:29

0.0002†

Punch biopsy major axis (3 mm:4 mm:5 mm)

5:9:13

13:20:15

0.3396†

Site of biopsy (face:trunk:inguinal:extremity)

8:4:2:13

16:12:2:18

0.6306†

Years of experience as a doctor

8.519 ± 6.417

5.042 ± 3.287

< 0.0001‡

  1. aStandard deviation
  2. +: positive
  3. −: negative
  4. Fisher’s exact test or Mann–Whitney U test was used for statistical analysis
  5. †Chi-square test (Fisher’s exact test)
  6. ‡ Mann–Whitney U test