| | |
HAIs
| |
Prevalence of HAIs
|
|---|
|
All patients
|
No
|
Yes
| |
|---|
|
Characteristics
|
n (%)
|
n (%)
|
n (%)
|
P valuea
|
%
|
|---|
|
All
|
19468 (100)
|
17806 (100.0)
|
1662 (100.0)
| |
8.5
|
|
Gender
| | | |
<0.001
| |
|
Women
|
10140 (52.1)
|
9378 (52.7)
|
762 (45.8)
| |
7.5
|
|
Men
|
9328 (47.9)
|
8428 (47.3)
|
900 (54.2)
| |
9.7
|
|
Age (years)
| | | |
<0.001
| |
|
0-14
|
2131 (10.9)
|
2076 (11.7)
|
55 (3.3)
| |
2.6
|
|
15-34
|
2447 (12.6)
|
2331 (13.1)
|
116 (7.0)
| |
4.7
|
|
35-54
|
3345 (17.2)
|
3084 (17.3)
|
261 (15.7)
| |
7.8
|
|
55-74
|
6113 (31.4)
|
5498 (30.9)
|
615 (37.0)
| |
10.1
|
|
>74
|
5432 (27.9)
|
4817 (27.1)
|
615 (37.0)
| |
11.3
|
|
Time period
| | | |
0.005
| |
|
Jan-Mar
|
4924 (25.3)
|
4512 (25.3)
|
412 (24.8)
| |
8.4
|
|
Apr-Jun
|
5010 (25.7)
|
4618 (25.9)
|
392 (23.6)
| |
7.8
|
|
Jul-Sept
|
4786 (24.6)
|
4391 (24.7)
|
395 (23.8)
| |
8.3
|
|
Oct-Dec
|
4748 (24.4)
|
4285 (24.1)
|
463 (27.9)
| |
9.8
|
|
Admission type
| | | |
<0.001
| |
|
Acute
|
12080 (62.3)
|
10918 (61.6)
|
1162 (70.2)
| |
9.6
|
|
Elective
|
7304 (37.7)
|
6810 (38.4)
|
494 (29.8)
| |
6.8
|
|
Surgery
| | | |
<0.001
| |
|
No
|
12543 (64.4)
|
11920 (66.9)
|
623 (37.5)
| |
5.0
|
|
Yes
|
6925 (35.6)
|
5886 (33.1)
|
1039 (62.5)
| |
15.0
|
|
Urinary tract
| | | | | |
|
catheter
| | | |
<0.001
| |
|
No
|
16216 (83.3)
|
15162 (85.2)
|
1054 (63.4)
| |
6.5
|
|
Yes, permanent
|
2682 (13.8)
|
2150 (12.1)
|
532 (32.0)
| |
19.8
|
|
Yes, intermittent
|
570 (2.9)
|
494 (2.8)
|
76 (4.6)
| |
13.3
|
|
Use of antibiotics
| | | |
<0.001
| |
|
No
|
14372 (73.8)
|
14241 (80.0)
|
131 (7.9)
| |
0.9
|
|
Yes
|
5096 (26.2)
|
3565 (20.0)
|
1531 (92.1)
| |
30.0
|
|
Pre-prevalence period (days)b
| | | |
<0.001
| |
|
2
|
5182 (26.6)
|
5112 (28.7)
|
70 (4.2)
| |
1.4
|
|
3-5
|
4537 (23.3)
|
4339 (24.4)
|
198 (11.9)
| |
4.4
|
|
6-9
|
4133 (21.2)
|
3756 (21.1)
|
377 (22.7)
| |
9.1
|
|
10-15
|
2295 (11.8)
|
1938 (10.9)
|
357 (21.5)
| |
15.6
|
|
16-30
|
2258 (11.6)
|
1814 (10.2)
|
444 (26.7)
| |
19.7
|
|
>30
|
1063 (5.5)
|
847 (4.8)
|
216 (13.0)
| |
20.3
|
|
Charlson comorbidity indexc
| | | |
<0.001
| |
|
0
|
9758 (50.1)
|
9202 (51.7)
|
556 (33.5)
| |
5.7
|
|
1
|
3464 (17.8)
|
3125 (17.6)
|
339 (20.4)
| |
9.8
|
|
2
|
3234 (16.6)
|
2827 (15.9)
|
407 (24.5)
| |
12.6
|
|
3
|
1118 (5.7)
|
951 (5.3)
|
167 (10.0)
| |
14.9
|
|
4
|
420 (2.2)
|
377 (2.1)
|
43 (2.6)
| |
10.2
|
|
>4
|
1380 (7.1)
|
1236 (6.9)
|
144 (8.7)
| |
10.4
|
-
aBy chi-square test
-
bTime from hospital admission to study inclusion
-
cInformation was missing for 94 patients on Charlson comorbidity index and 84 on admission type
