Table 1

Characteristics of the study population

CharacteristicsAll admissions (N=82219) No (%)Weekday admissions (n=63072) No (%)Weekend admissions (n=19147) No (%)
Age, mean (SD), y*73.0 (11.1)72.9 (11.0)73.5 (11.1)
Sex*
 Male42866 (52.1)33101 (52.5)9765 (51.0)
 Female39353 (47.9)29971 (47.5)9382 (49.0)
Ethnicity
 Dutch and other Westerners80371 (97.8)61669 (97.8)18702 (97.7)
 Turkish or Moroccan392 (0.5)305 (0.5)87 (0.5)
 Netherlands Antilles, Suriname and other non-Westerners1456 (1.8)1098 (1.7)358 (1.9)
Attending physician*
 Neurologist/neurosurgeon71646 (87.1)54007 (85.6)17639 (92.1)
 Other physician10573 (12.9)9065 (14.4)1508 (12.9)
Insurance*
 Public60934 (74.1)46564 (73.8)14370 (74.1)
 Private21285 (25.9)16508 (26.2)4777 (25.9)
Charlson–Deyo comorbidity score*
 073543 (89.4)56349 (89.3)17194 (89.8)
 14778 (5.8)3778 (6.0)1000 (5.2)
 ≥23898 (4.7)2945 (4.7)953 (5.0)
Urgency of admission*
 Non-urgent17959 (21.8)16068 (25.5)1891 (9.9)
 Urgent64620 (78.2)47004 (74.1)17256 (90.1)
Prior stroke*
 No69841 (84.9)53129 (84.2)16712 (87.3)
 Yes12378 (15.1)9943 (15.8)2435 (12.7)
Admission year*
 200015060 (18.3)11668 (18.5)3392 (17.7)
 200115427 (18.8)11796 (18.7)3631 (19.0)
 200216438 (20.0)12522 (19.9)3916 (20.5)
 200317257 (21.0)13248 (21.0)4009 (20.9)
 200418037 (21.9)13838 (21.9)4199 (23.3)
Hospital teaching status*
 General hospital19270 (23.4)14747 (23.4)4523 (23.6)
 Top clinical hospital55828 (67.9)42767 (67.8)13061 (68.2)
Academic medical centre7121 (8.7)5558 (8.8)1563 (8.2)
Hospital location*
 Rural6763 (8.2)5281 (8.4)1482 (7.7)
 Urban 13019 (3.7)2383 (3.8)636 (3.3)
 Urban 211151 (13.6)8679 (13.8)2472 (12.9)
 Urban 336403 (44.3)27677 (43.9)8726 (45.6)
 Urban 424883 (30.3)19052 (30.2)5831 (30.5)
Shift of admission
 Day (8:00–15:59)47205 (57.4)37873 (60.0)9332 (48.7)
 Evening (16:00–23:59)27410 (33.3)19663 (31.2)7747 (40.5)
 Night (00:00–7:59)7604 (9.2)5536 (8.8)2068 (10.8)
Referrals21599 (26.3)15977 (25.3)5622 (29.4)
  • * p Value <0.005.

  • Rural <500 addresses/km2; Urban 1: 500–1000 addresses/ km2; Urban 2: 1000–1500 addresses/km2; Urban 3: 1500–2500 addresses/km2 and Urban: >2500 addresses/km2.