|
Variable
|
Bacterial colonisation
|
Rate
|
OR (95% CI)
|
AOR (95% CI)
|
P value
|
|---|
|
CRI
|
|
Yes
|
12/12
|
100
|
3.72 (0.19 to 72.55)
|
3.64 (0.22 to 60.36)
|
0.367
|
|
No
|
184/211
|
87.2
|
Ref
|
Ref
| |
|
Gender
|
|
Male
|
26/35
|
74.3
|
0.31 (0.12 to 0.75)
|
0.33 (0.11 to 1.01)
|
0.052
|
|
Female
|
170/188
|
90.4
|
Ref
|
Ref
| |
|
Age
| | |
0.97 (0.93 to 1.02)
|
0.98 (0.93 to 1.03)
|
0.549
|
|
Profession
|
|
Doctor
|
89/104
|
85.6
|
0.66 (0.30 to 1.49)
|
0.92 (0.32 to 2.59)
|
0.869
|
|
Nurses
|
107/119
|
89.9
|
Ref
|
Ref
| |
|
Smoking status
|
|
Current/ex-smoker
|
8/11
|
72.7
|
0.34 (0.08 to 1.37)
|
0.54 (0.12 to 2.42)
|
0.418
|
|
Never
|
188/212
|
88.7
|
Ref
|
Ref
| |
|
Influenza vaccine
|
|
Yes
|
42/48
|
87.5
|
0.95 (0.36 to 2.52)
|
0.69 (0.26 to 1.86)
|
0.463
|
|
No
|
154/175
|
88
| | | |
|
Medical conditionsa
|
|
Yes
|
25/29
|
86.2
|
0.84 (0.27 to 2.63)
|
0.77 (0.24 to 2.46)
|
0.664
|
|
No
|
171/194
|
88.1
|
Ref
|
Ref
| |
|
High risk proceduresb
|
|
Yes
|
124/143
|
86.7
|
0.72 (0.30 to 1.74)
|
0.72 (0.26 to 2.01)
|
0.528
|
|
No
|
72/80
|
88.9
|
Ref
|
Ref
| |
|
Mask use
|
|
Yes
|
172/196
|
87.8
|
0.90 (0.25 to 3.20)
|
0.83 (0.24 to 2.82)
|
0.765
|
|
No
|
24/27
|
88.9
|
Ref
|
Ref
| |
|
Ward
|
|
Respiratory
|
81/99
|
81.8
|
Ref
|
Ref
| |
|
Paediatric
|
44/47
|
93.6
|
3.26 (0.91 to 11.68)
|
2.72 (0.78 to 9.47)
|
0.117
|
|
Fever clinics
|
29/31
|
93.5
|
3.22 (0.70 to 14.75)
|
2.62 (0.56 to 12.24)
|
0.221
|
|
Emerg/ICUc
|
42/46
|
91.3
|
2.33 (0.74 to 7.38)
|
2.52 (0.77 to 8.24)
|
0.126
|
- Bold shows significant result
-
aInclude asthma, diabetes, immunosuppression and other
-
bInclude suctioning of airways, endotracheal intubation, sputum induction, chest, physiotherapy bronchoscopy
-
c45 cases in emergency and 1 in intensive medication unit
