Table 1 Demographic data and crude mortality outcomes for emergency medical diagnoses and emergency surgical procedures

Number of cases/procedures

296673

206400

289806

458064

74282

390616

110240

13168

58159

185567

Mean patient age (years [SE])

70.2 (0.026)

78.4 (0.025)

75.2 (0.025)

70.9 (0.027)

64.4 (0.063)

69.5 (0.035)

65.7 (0.061)

70.0 (0.138)

56.1 (0.080)

80.9 (0.026)

Male proportion (% [SE])

63.2 (0.0009)

50.0 (0.0011)

47.4 (0.0009)

50.8 (0.0007)

47.0 (0.0018)

34.3 (0.0008)

49.3 (0.0015)

59.3 (0.0043)

52.3 (0.0021)

25.1 (0.0010)

RCS Charlson co-morbidity score (%)

0(49.2)

0(0)

0(0)

0(32.3)

0(0)

0(45.0)

0(32.1)

0(37.3)

0(64.7)

0(46.5)

1(29.6)

1(32.4)

1(51.2)

1(36.2)

1(58.9)

1(31.2)

1(35.6)

1(32.2)

1(25.1)

1(34.2)

2(13.3)

2(35.4)

2(31.9)

2(19.5)

2(28.3)

2(15.1)

2(19.9)

2(18.2)

2(7.4)

2(13.4)

3(7.8)

3(32.2)

3(16.8)

3(12.0)

3(12.8)

3(8.7)

3(12.4)

3(12.3)

3(2.8)

3(5.9)

Social deprivation quintile (%)

1(21.4)

1(22.9)

1(20.7)

1(25.1)

1(19.5)

1(24.1)

1(22.8)

1(21.9)

1(27.0)

1(18.5)

2(20.7)

2(21.4)

2(20.4)

2(21.5)

2(19.7)

2(21.8)

2(21.0)

2(20.6)

2(21.7)

2(19.6)

3(20.7)

3(20.7)

3(20.7)

3(19.7)

3(20.6)

3(20.0)

3(20.0)

3(20.0)

3(19.1)

3(21.1)

4(19.8)

4(19.0)

4(20.3)

4(18.1)

4(20.6)

4(18.4)

4(19.1)

4(19.4)

4(17.3)

4(21.3)

5(17.5)

5(16.1)

5(18.1)

5(15.6)

5(19.6)

5(15.8)

5(17.1)

5(18.1)

5(15.1)

5(19.5)

In-hospital mortality rate (% [SE])

12.1 (0.0006)

17.0 (0.0008)

24.8 (0.0008)

26.3 (0.0007)

8.0 (0.0010)

5.1 (0.0004)

27.7 (0.0013)

66.7 (0.0041)

5.7 (0.0010)

9.8 (0.0007)

1-year mortality rate (% [SE])

22.8 (0.0008)

41.9 (0.0011)

37.5 (0.0009)

42.9 (0.0007)

21.8 (0.0015)

24.3 (0.0007)

44.6 (0.0015)

72.1 (0.0039)

10.3 (0.0013)

28.4 (0.0010)

28-day emergency readmission rate (% [SE])

28.6 (0.0008)

36.9 (0.0011)

19.0 (0.0007)

29.2 (0.0007)

24.2 (0.0015)

29.4 (0.0007)

33.2 (0.0014)

26.4 (0.0038)

25.1 (0.0018)

20.0 (0.0009)

Median (IQR) length of stay (days)

6 (7)

7 (11)

11 (24)

6 (9)

6 (6)

4 (9)

6 (11)

14 (21)

6 (7)

16 (18)

Diagnosis/procedure

Hernia repair

Appendicectomy

Upper gastrointestinal emergency laparotomy

Colorectal emergency surgery

Emergency urological surgery

Ruptured abdominal aortic aneurysm

Endovascular repair of ruptured AAA

Emergency carotid endarterectomy

Lower limb arterial bypass

Lower limb amputation

Abbreviation

HERNIA

APPEND

PEPTIC

COLOLAP

UROL

AAA

EVAR

CEA

LEAB

AMP

Number of procedures

42302

141538

10237

42366

51963

6687

729

1234

10267

16411

Mean patient age (years [SE])

63.2 (0.091)

33.9 (0.042)

59.4 (0.195)

65.5 (0.081)

59.0 (0.083)

73.5 (0.102)

73.5 (0.410)

71.0 (0.280)

70.3 (0.141)

66.5 (0.125)

Male proportion (% [SE])

57.0 (0.0024)

51.7 (0.0013)

58.5 (0.0049)

47.5 (0.0024)

67.0 (0.0021)

83.3 (0.0046)

79.4 (0.0150)

66.5 (0.0134)

62.9 (0.0048)

70.2 (0.0036)

RCS Charlson co-morbidity score (%)

0(65.3)

0(88.7)

0(65.7)

0(35.3)

0(43.4)

0(0.5)

0(3.2)

0(0.65)

0(14.1)

0(12.6)

1(24.3)

1(10.3)

1(23.5)

1(42.4)

1(33.9)

1(59.7)

1(44.2)

1(49.2)

1(40.0)

1(27.4)

2(7.5)

2(0.9)

2(7.9)

2(16.1)

2(15.6)

2(28.2)

2(31.1)

2(31.0)

2(28.1)

2(32.4)

3(3.0)

3(0.2)

3(2.9)

3(6.3)

3(7.2)

3(11.6)

3(21.5)

3(19.2)

3(17.8)

3(27.6)

Social deprivation quintile (%)

1(21.2)

1(20.8)

1(31.3)

1(19.3)

1(20.6)

1(17.6)

1(19.4)

1(18.0)

1(25.8)

1(25.6)

2(20.9)

2(20.7)

2(21.7)

2(19.7)

2(20.1)

2(20.1)

2(20.4)

2(20.7)

2(21.4)

2(22.3)

3(20.8)

3(20.0)

3(17.6)

3(20.6)

3(20.2)

3(22.0)

3(19.3)

3(21.0)

3(20.4)

3(20.3)

4(19.7)

4(19.4)

4(16.2)

4(20.7)

4(19.7)

4(21.6)

4(22.5)

4(22.0)

4(17.4)

4(17.6)

5(17.4)

5(19.2)

5(13.2)

5(19.8)

5(19.5)

5(18.6)

5(18.5)

5(18.4)

5(15.1)

5(14.2)

In-hospital mortality rate (% [SE])

3.1 (0.0008)

0.2 (0.0001)

16.7 (0.0037)

15.7 (0.0018)

3.6 (0.0008)

33.5 (0.0058)

13.2 (0.0125)

1.4 (0.0033)

12.1 (0.0032)

10.5 (0.0024)

1-year mortality rate (% [SE])

8.7 (0.0014)

0.5 (0.0002)

22.1 (0.0041)

29.6 (0.0022)

20.7 (0.0018)

38.4 (0.0059)

22.8 (0.0155)

6.8 (0.0072)

26.5 (0.0044)

25.8 (0.0034)

28-day emergency readmission rate (% [SE])

15.7 (0.0018)

10.8 (0.0008)

16.3 (0.0037)

23.1 (0.0020)

29.4 (0.0020)

22.3 (0.0051)

31.3 (0.0172)

14.2 (0.0010)

32.8 (0.0046)

25.8 (0.0034)

Median (IQR) length of stay (days)

3 (4)

3 (2)

9 (11)

15 (15)

5 (8)

16 (17)

10 (11)

5 (6)

14 (18)

20 (31)