Nasal Carriage by Staphylococcus aureus among Healthcare Workers and Students Attending a University Hospital in Southern Brazil: Prevalence, Phenotypic, and Molecular Characteristics
Table 1
Potential risk factors for nasal carriage with Staphylococcus aureus and methicillin-resistant S. aureus (mecA-positive) isolates among healthcare workers and students attending the University Hospital of Londrina from December 2017 to May 2018.
Variable
Staphylococcus aureus
mecA
Negative n (%)
Positive n (%)
value
Negative n (%)
Positive n (%)
value
Gender
Male
40 (21.6)
48 (34.5)
0.010
32 (32.3)
16 (40.0)
0.389
Female
145 (78.4)
91 (65.5)
67 (67.7)
24 (60.0)
Age (years)
31.2 (11.9)
28.8 (10.8)
0.054
28.6 (10.2)
29.3 (9.5)
0.719
Antibiotic use
No
151 (81.6)
115 (82.7)
0.796
79 (79.8)
36 (90.0)
0.150
Yes
34 (18.4)
24 (17.3)
20 (20.2)
4 (10.0)
Hospitalization
No
176 (95.1)
137 (98.6)
0.092
97 (98.0)
40 (100)
0.365
Yes
9 (4.9)
2 (1.4)
2 (2.0)
0 (0)
Occupation
Student
118 (63.8)
103 (74.1)
0.048
76 (76.8)
27 (67.5)
0.259
Professional
67 (36.2)
36 (25.9)
23 (23.2)
13 (32.5)
Student
Nursing
24 (20.3)
14 (13.6)
0.596
11 (14.5)
3 (11.1)
0.698
Pharmacy
19 (16.1)
20 (19.4)
17 (22.4)
3 (11.1)
Physiotherapy
10 (8.5)
6 (5.8)
4 (5.3)
2 (7.4)
Medicine
17 (14.4)
18 (17.5)
13 (17.1)
5 (18.5)
Postgraduate
48 (40.7)
45 (43.7)
31 (40.8)
14 (51.9)
Patient contact
No
51 (27.6)
28 (20.1)
0.124
23 (23.2)
5 (12.5)
0.153
Yes
134 (72.4)
111 (79.9)
76 (76.8)
35 (87.5)
The continuous variables were expressed as mean and standard deviation (SD) and analyzed with Student's t-test; the categorical variables were expressed as number (n) and percentage and analyzed with χ2 or Fisher exact test.
