Table 2.

Comparison of rate of hospital admissions, outpatient attendances and A&E visits for patients with a diagnosis of hospitalised CAP and those without a diagnosis of hospitalised CAP, stratified by underlying comorbidity and year, 2013 to 2015

Risk group	Total hospital admissions RR (95% CI)			Outpatient attendance RR (95% CI)			A&E visits RR (95% CI)
	2013	2014	2015	2013	2014	2015	2013	2014	2015
CHD	1.21 (1.19 to 1.23)	1.25 (1.23 to 1.29)	1.22 (1.19 to 1.25)	1.16 (1.14 to 1.18)	1.12 (1.10 to 1.14)	1.13 (1.11 to 1.18)	1.30 (1.28 to 1.32)	1.30 (1.27 to 1.32)	1.25 (1.23 to 1.28)
CKD	1.08 (1.04 to 1.12)	1.32 (1.25 to 1.39)	1.38 (1.29 to 1.47)	1.15 (1.12 to 1.18)	1.16 (1.12 to 1.20)	1.18 (1.13 to 1.22)	1.29 (1.22 to 1.30)	1.26 (1.22 to 1.30)	1.26 (1.21 to 1.31)
CLD	1.19 (1.12 to 1.27)	1.16 (1.06 to 1.27)	1.30 (1.18 to 1.44)	1.22 (1.15 to 1.29)	1.20 (1.11 to 1.28)	1.12 (1.03 to 1.21)	1.18 (1.10 to 1.26)	1.20 (1.10 to 1.31) p=0.1227	1.05 (0.95 to 1.16)
CRD	1.38 (1.35 to 1.40)	1.39 (1.36 to 1.43)	1.42 (1.37 to 1.46)	1.15 (1.13 to 1.17)	1.09 (1.06 to 1.11)	1.11 (1.08 to 1.14)	1.30 (1.28 to 1.33)	1.33 (1.30 to 1.37)	1.35 (1.32 to 1.39)
Diabetes	1.24 (1.21 to 1.27)	1.28 (1.23 to 1.33)	1.24 (1.19 to 1.29)	1.21 (1.18 to 1.24)	1.14 (1.11 to 1.17)	1.13 (1.10 to 1.17)	1.28 (1.25 to 1.30)	1.24 (1.21 to 1.28)	1.23 (1.19 to 1.27)
Post-BMT	1.16 (0.96 to 1.39)*	1.25 (0.97 to 1.59)*	1.28 (0.96 to 1.71)*	1.16 (1.02 to 1.32)*	1.11 (0.94 to 1.37)*	1.00 (0.84 to 1.70)*	0.93 (0.77 to 1.13)*	0.94 (0.71 to 1.24)*	1.13 (0.87 to 1.48)*

*Not significant; where not indicated, p value is <0.001.

A&E, accident and emergency department; BMT, bone marrow transplant; CAP, community-acquired pneumonia; CHD, chronic heart disease; CKD, chronic kidney disease; CLD, chronic liver disease; CRD, chronic respiratory disease; RR, rate ratio.