Table 2 Summary of anthropometric and clinical characteristics of patients included in study stratified by SIMD quintile

N, %

710

103 (14.5%)

183 (25.8%)

102 (14.4%)

132 (18.6%)

190 (26.8%)

Age on admission^a (years)

73 (58–83)

73 (60–82)

72 (57–81)

68 (53–81)

70.5 (54–82)

78 (64–86)

Sex

 Male

386 (54.4%)

50 (48.5%)

96 (52.5%)

55 (53.9%)

83 (62.9%)

102 (53.7%)

 Female

324 (45.6%)

53 (51.5%)

87 (47.5%)

47 (46.1%)

49 (37.1%)

88 (46.3%)

Ethnicity

 White

551 (77.6%)

77 (74.7%)

140 (76.5%)

77 (75.5%)

107 (81%)

150 (78.9%)

 Black, Asian, Minority Ethnic

28 (4%)

7 (6.8%)

10 (5.5%)

5 (4.9%)

< 5

< 5

 Ethnicity not recorded

131 (18.4%)

19 (18.4%)

33 (18%)

20 (19.6%)

22 (16.7%)

37 (19.5%)

Previous Health status

 Performance status

  0

201 (28.3%)

24(23.3%)

42 (22.9%)

34 (33.3%)

44 (33.3%)

57 (30%)

  1

131 (18.4%)

16 (15.5%)

46(25.1%)

18 (17.6%)

23 (17.4%)

28(14.7%)

  2

130 (18.3%)

23 (22.3%)

38 (20.7%)

23 (22.5%)

22 (16.7%)

24 (12.6%)

  3

200(28.1%)

34(33%)

47 (25.7%)

21(20.6%)

32 (24.2%)

66 (34.7%)

  4

45 (6.3%)

6 (5.8%)

9 (4.9%)

6 (5.9%)

10 (7.6%)

14 (7.4%)

  Missing

< 5

-

< 5

-

< 5

< 5

 Co-morbidity count

  0

111 (15.6%)

15 (14.6%)

23 (12.6%)

22 (21.6%)

22 (16.7%)

29 (15.3%)

  1

192 (27%)

24 (23.3%)

48 (26.2%)

25 (24.5%)

35 (26.5%)

60 (31.6%)

  2 plus

407 (57.3%)

64 (62.1%)

112 (61.2%)

55 (53.9%)

75 (56.8%)

101 (53.1%)

 Comorbidities

  Chronic Obstructive Pulmonary Disease

104 (15%)

21 (20%)

28 (27%)

11 (11%)

21 (20%)

23 (22%)

  Diabetes Mellitus

166 (23%)

27 (16%)

57 (34%)

22 (13%)

31 (19%)

29 (18%)

  Hypertension

292 (41%)

41 (14%)

78 (27%)

44 (15%)

55 (19%)

74 (25%)

  Cancer

144 (20%)

19 (13%)

31 (22%)

15 (10%)

32 (22%)

47 (33%)

  Other

Symptoms on presentation

 Fever

428 (60%)

60 (58%)

110 (60%)

62 (60%)

85 (64%)

111 (58%)

 Cough

478 (67%)

67 (65%)

119 (65%)

75 (73%)

89 (67%)

128 (67%)

 Breathlessness

419 (59%)

59 (57%)

116 (63%)

55 (54%)

87 (66%)

102 (54%)

Clinical parameters^a

 PaO2 (kilopascals)

10.5 (9.2, 12.8)

11.5 (9.2, 14.3)

10.9 (8.7, 12.8)

10.7 (9.2, 12.8)

10.5 (9.1, 12.8)

10.9 (9.2, 12.8)

 Pulse (beats per minute)

91 (80, 105)

90 (80, 104)

90 (80, 103)

92 (82, 105)

94 (85, 109)

90 (76, 103)

 Respiratory Rate (breaths/minute)

21 (18, 26)

20 (18, 24)

20 (18, 24)

22 (18, 28)

22 (20, 26)

20 (18, 24)