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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: J Surg Res. 2019 May 6;242:70–77. doi: 10.1016/j.jss.2019.04.040

Table 3:

Patients selected for decolonization

Variable Not Prescribed Decolonization Prescribed Decolonization p value

n=280 (%) n=119 (%)
Risk Factors
Immunocompromised 10 (3.6%) 4 (3.4%) 0.99
Cardiac Disorder 12 (4.3%) 2 (1.7%) 0.25
Attend Day Care 58 (20.7%) 24 (20.2%) 0.96
Prior Hx of abscess/cellulitis 47 (16.8%) 38 (31.9%) 0.002
Prior Hx of MRSA 13 (4.6%) 21 (17.6%) 0.0001
# of family members with Hx of abscess/cellulitis (mean ± SD) 0.20 ± 0.55 0.47 ± 0.75 <0.0001
# of family members with Hx MRSA (mean ± SD) 0.05 ± 0.25 0.27 ± 0.63 <0.0001
Previous hospitalization that year 37 (6.1%) 20 (16.8%) 0.35
Community-acquired MRSA 263 (94.0%) 114 (95.8%) 0.63
Hospital-acquired MRSA 17 (6.1%) 5 (4.2%)
Indwelling catheter or device 1 (0.4%) 0 0.99

Clinical Factors and Outcomes
Duration of symptoms prior to presentation (mean ± SD, days) 4.25 ± 6.34 4.73 ± 4.26 0.01
Size of abscess (mean ± SD; cm) 4.35 ± 3.10 4.32 ± 2.66 0.57
Fever 117 (41.8%) 37 (31.1%) 0.09
Leukocytosis 139 (81.3%) 52 (91.2%) 0.98
Nasal MRSA Screen 19 (6.8%) 8 (6.7%) 0.99
Antibiotics administered 0.38
 None 0 1 (0. 8%)
 PO antibiotics only 13 (4.6%) 3 (2.5%)
 IV antibiotics only 151 (54.1%) 64 (53.8%)
 Both PO and IV antibiotics 115 (41.2%) 51 (42.9%)
Length of Stay (mean ± SD, days) 75.78 ± 79.77 53.45 ± 33.09 0.01