Research Article

The Prevalence of MRSA Nasal Carriage in Preoperative Pediatric Orthopaedic Patients

Table 1

Characteristics of the 699 patients included in the study with special emphasis on patients who tested MRSA positive on admission.

MRSA+MRSA−Total
SSI+, (%)SSI−, (%)SSI+, (%)SSI−, (%) (%)
()()()()()

Age, mean (range)5.55 (0–18)8.14 (0–17)6.67 (0–15)8.91 (0–18)9.54 (0–18)
Gender
 Male 7 (77.8)21 (60.0)6 (60.0)352 (54.6)386 (55.2)
 Female2 (22.2)14 (40.0)4 (40.0)293 (45.4)313 (44.8)
Location prior to hospitalization
 Home7 (77.28)29 (82.9)9 (90.0)593 (91.9)638 (91.3)
 Newborn2 (22.2)3 (8.57)0 (0.0)18 (2.8)23 (3.3)
 Group home0 (0.0)1 (2.85)0 (0.0)3 (0.5)4 (0.6)
 Other hospital0 (0.0)2 (5.71)1 (10.0)31 (4.8)34 (4.9)
Prior hospitalization in last 5 years
 Yes8 (88.9)26 (74.3)5 (50.0)331 (51.3)370 (52.9)
 No1 (11.1)9 (25.7)5 (50.0)314 (48.7)329 (47.1)
Diagnosis
 Myelomeningocele8 (88.9)10 (28.6)4 (40.0)181 (28.1)203 (29.0)
 Cerebral palsy0 (0.0)3 (8.6)0 (0.0)34 (5.3)37 (5.3)
 Trauma 0 (0.0)6 (17.1)1 (10.0)149 (23.1)156 (22.3)
 Tumor0 (0.0)2 (5.7)1 (10.0)52 (8.1)55 (7.9)
 Infection1 (11.1)7 (20.0)1 (10.0)34 (5.3)43 (6.2)
 Scoliosis0 (0.0)2 (5.71)0 (0.0)95 (14.7)97 (13.9)
 Chiari malformation2 (22.2)1 (2.85)2 (20.0)33 (5.1)38 (5.4)
 Other1 (11.1)9 (25.7)3 (30.0)142 (22.0)154 (22.0)
Surgery
 Neurosurgery9 (100)20 (57.1)9 (90.0)359 (55.7)397 (56.8)
 Orthopaedic surgery0 (0.0)15 (42.9)1 (10.0)286 (44.3)302 (43.2)
Wound class
 Clean 9 (100.0)24 (68.6)10 (100.0)590 (91.5)633 (90.6)
 Clean-contaminated0 (0.0)8 (22.9)0 (0.0)38 (5.9)46 (6.6)
 Contaminated 0 (0.0)3 (8.6)0 (0.0)11 (1.7)14 (2.0)
 Infected 0 (0.0)0 (0.0)0 (0.0)6 (0.9)6 (0.9)
Underlying disorder
 Diabetes mellitus0 (0.0)0 (0.0)0 (0.0)6 (0.9)6 (0.9)
 Immunocompromised1 (11.1)2 (5.7)1 (10.0)24 (3.7)28 (4.0)
 Renal disease4 (44.4)0 (0.0)1 (10.0)39 (6.0)44 (6.8)
Tobacco use/exposure
 Yes0 (0.0)1 (2.9)0 (0.0)34 (5.3)35 (5.0)
 No9 (100.0)34 (97.1)10 (100.0)611 (94.7)664 (95.0)
Corticosteroid use (%)
 Yes3 (33.3)6 (17.1)0 (0.0)52 (8.1)61 (8.7)
 No6 (76.7)29 (82.9)10 (100.0)593 (91.9)638 (91.3)

Many individuals had multiple diagnoses and were thus counted twice.