The efficacy of vancomycin powder in total knee arthroplasty: A single-center study

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Figure 1
- The common comorbidities among study participants (N=98).

Table 1

- Demographic characteristics of studied participants (N=98).

Characteristic	Control group (n=49)	Vancomycin group (n=49)	P-value
Age (years)			0.347
25-39	0 (0)	2 (100)
40-54	5 (56)	4 (44)
55-69	32 (54)	27 (46)
70-84	11 (41)	16 (59)
≥85	1 (100)	0 (0)
Gender			0.006^*
Male	3 (19)	13 (81)
Female	46 (56)	36 (44)
Body mass index			0.042^*
Underweight	0 (0)	0 (0)
Normal	2 (22)	7 (78)
Overweight	3 (27)	8 (73)
Obese	44 (56)	34 (44)

Table 2

- Procedure details of studied participants (N=98).

Procedure	Control group (n=49)	Vancomycin group (n=49)	P-value
Site of operation			0.106
Left	17 (44)	22 (56)	0.061
Right	26 (62)	16 (38)	-
Both	6 (35)	11 (65)	0.002^*
Length of surgery (in hours)	2:08 0:50	2:38 1:03	0.000^*
Vancomycin Level (mcg/mL)	-	5.36 3.562	0.987
Length in days of post-operative antibiotic use	4.43 1.486	4.61 2.699
Length of primary surgical dressing in days	6.33 1.313	4.55 2.424
Length of hospital stay	9.18 2.841	8.39 2.244