Temporal Changes in the Quality of Acute Stroke Care in Five National Audits across Europe
Table 2
Patient and clinical characteristics, 2004–2009, centers participating continuously over the whole study period.
ADSR
POLKARD
SSCA
Riks-Stroke
NSSA
( = 303,023)
( = 31,564)
( = 34,962)
( = 141,389)
( = 31,174)
Age, median (IQR)
75 (66–82)
73 (62–80)
75 (66–83)
78 (69–84)
78 (69–85)
Female sex, %
49.4
50.9
51.3
49.3
52.5
Dependency prestroke, %
Independent
77.4
85.0
84.9
85.0
77.4
Dependent
22.5
15.0
15.1
15.0
22.6
Stroke subtype, %
Ischemic stroke
85.1
86.6
82.7
84.1
74.3
Intracerebral haemorrhage
9.0
10.5
10.6
11.8
11.7
Unknown/undefined
5.9
2.9
6.7
4.1
14.0
Interval onset-admission, %
3 hours
29.3
19.3
#
25.2
19.7
3 hours/missing
70.7
80.7
#
74.8
80.3
Day of admission, %
Weekday
75.7
75.8
75.1
74.9
74.1
Weekend
24.3
24.2
24.9
25.1
25.9
Atrial fibrillation, %
Yes
25.0
22.4
22.7
28.3
20.0
No
75.0
77.6
77.3
71.7
80.0
Level of consciousness, %†
Awake
83.7
72.9
#
81.5
62.9
Disturbed (drowsy to coma)
16.3
27.1
#
18.5
37.1
Analyses were restricted to patients with IS, ICH, or UND and without missing values in the respective variables; IQR: interquartile range; #variable not documented or not documented in a comparable way; †level of consciousness on admission or during first day except the NSSA, here worst level of consciousness during first week.
