. 2015 Jan 20;30(6):1002–1009. doi: 10.1093/ndt/gfu401

Table 3.

Top five underlying causes of death by ICD-10 code for short-term mortality following pneumonia and sepsis (deaths after 2001)^{^a}

	eGFR
	eGFR <60 mL/min/1.73 m²	eGFR ≥60 mL/min/1.73 m²
28-Day mortality following pneumonia, n = 1419	J18 Pneumonia, organism unspecified, n = 256, 35.4% J44 Other chronic obstructive pulmonary disease, n = 63, 8.7% I25 Chronic ischaemic heart disease, n = 47, 6.5% I50 Heart failure, n = 43, 5.9% I64 Stroke, not specified as haemorrhage or infarction, n = 37, 5.1%	J18 Pneumonia, organism unspecified, n = 216, 31.1% J44 Other chronic obstructive pulmonary disease, n = 63, 9.1% I64 Stroke, not specified as haemorrhage or infarction, n = 35, 5.0% C34 Malignant neoplasm of bronchus and lung, n = 34, 4.9% I25 Chronic ischaemic heart disease, n = 29, 4.2%
28-Day mortality following pneumonia, n = 1419	Total = 724	Total = 695
29–90 Day mortality following pneumonia, n = 371	J18 Pneumonia, organism unspecified, n = 38, 20.1% I25 Chronic ischaemic heart disease, n = 24, 12.7% J44 Other chronic obstructive pulmonary disease, n = 13, 6.9% C34 Malignant neoplasm of bronchus and lung, n = 12, 6.4% I21 Acute myocardial infarction, n = 12, 6.4%	J18 Pneumonia, organism unspecified, n = 20, 11.0% C34 Malignant neoplasm of bronchus and lung, n = 20, 11.0% J44 Other chronic obstructive pulmonary disease, n = 19, 10.4% I25 Chronic ischaemic heart disease, n = 9, 5.0% I64 Stroke, not specified as haemorrhage or infarction, n = 9, 5.0%
29–90 Day mortality following pneumonia, n = 371	Total = 189	Total = 182
28-Day mortality following sepsis, n = 387	N39 Other disorders of urinary system^b, n = 33, 15.9% J18 Pneumonia, organism unspecified, n = 30, 14.4% E14 Unspecified diabetes mellitus, n = 12, 5.8% A41 Other sepsis, n = 11, 5.3% L03 Cellulitis, n = 11, 5.3%	N39 Other disorders of urinary system^b, n = 20, 11.2% A41 Other sepsis, n = 18, 10.1% J18 Pneumonia, organism unspecified, n = 18, 10.1% E14 Unspecified diabetes mellitus, n = 10, 5.6% J44 Other chronic obstructive pulmonary disease, n = 6, 3.4% =K55 Vascular disorders of intestine, n = 6, 3.4% =L03 Cellulitis, n = 6, 3.4%
28-Day mortality following sepsis, n = 387	Total = 208	Total = 179

^aDeaths prior to 2001 were recorded using ICD-9 codes and have not been included.

^bAll incidences of code N39 were N39.0 Urinary tract infection, site not specified.