Table 2.

Patient- and perioperative characteristics with statistical association on postoperative wound infections following implant removal.

	N Implant Removal of 512 (%)	N POWI (%)	p-Value (Two-Sided)
PATIENT CHARACTERISTICS Male (N) Age in (years) BMI ASA-classification** I II III Diabetes Mellitus POWI following index procedure PERI-OPERATIVE CHARACTERISTICS Weeks to implant removal Resident performing procedure Duration of surgery (minutes) Antibiotic prophylaxis Transcutaneous wound closure	287 (56.1) 42 (31-54)* 25 (22-28)* 370 (72.3) 130 (25.4) 11 (2.1) 15 (2.9) 71 (13.9) 49 (25-78)* 299 (60.4) 40 (26-60)* 51 (13.6) 226 (69.1)	41 (14.3) 36 (25-49)* 26 (22-30)* 43 (11.6) 14 (10.8) 1 (9.1) 1 (6.7) 15 (21.1) 53 (34-85)* 43 (14.4) 46 (30-72)* 5 (9.8) 34 (15)	0.130 0.004 0.336 1.000   NA 0.014 0.280 0.551 0.070 0.911 0.868

N; Number, POWI; postoperative wound infection, NA; not available.

*Median with interquartile ranges.

** (Chi2) difference in between ASA I and II+III.