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Table 2 Profile of weekday and weekend admission [SD = standard deviation]; [iqr = inter quartile range] (%) †Denominator is number of deaths in that column

From: Weekend admission to hospital has a higher risk of death in the elective setting than in the emergency setting: a retrospective database study of national health service hospitals in England

Characteristic Elective Admissions
(n = 1,535,267)
Emergency Admissions
(n = 3,105,249)
  Weekday Weekend Weekday Weekend
N 1,407,705 127,562 2,369,316 735,933
Male 663,295
(47.12)
63,054
(49.43)
1,124,086
(47.44)
353,665
(48.06)
Age (years)     
Mean Age
[SD]
57.77
[17.90]
59.33
[17.73]
62.21
[21.40]
61.93
[22.01]
Median Age
[iqr]
60
[27]
62
[26]
67
[34]
67
[37]
Admission Quarter     
1 Apr - Jun 332,598
(23.63)
32,802
(25.71)
574,134
(24.23)
183,754
(24.97)
2 Jul - Sep 361,887
(25.71)
31,790
(24.92)
585,331
(24.70)
179,880
(24.44)
3 Oct - Dec 363,746
(25.84)
30,616
(24.00)
594,647
(25.10)
180,090
(24.47)
4 Jan - Mar 349,473
(24.83)
32,354
(25.36)
615,204
(25.97)
192,209
(26.12)
Mortality     
Died 7,276
(0.52)
986
(0.77)
154,761
(6.53)
51,922
(7.06)
Deaths within 24 h of admission† 88
(1.21)
10
(1.01)
10,254
(6.63)
3,966
(7.64)
Case-mix     
HRG indicating Complex Elderly 3,932
(0.28)
404
(0.32)
179,190
(7.56)
59,961
(8.15)
HRG with comorbidity and/or complication (withcc) 192,411
(13.67)
17,688
(13.87)
842,219
(35.55)
258,807
(35.17)
Median length of stay (days)     
All [iqr] 1 [3] 3 [3] 4 [8] 3 [8]
Discharged alive only [iqr] 1 [3] 3 [5] 3 [7] 3 [8]
Deceased only [iqr] 12 [20] 12 [21] 8 [17] 6 [15]