Table 4—

Underlying causes of deaths in chronic obstructive pulmonary disease(COPD) patients who died in hospital or after discharge within 30 days of admission

Died in hospital#Died after dischargep-value
Subjects750 (100)175 (100)
Respiratory diseases438 (58.40)56 (32.00)0.001
 COPD387 (51.60)48 (27.43)0.001
 Respiratory failure9 (1.20)0
 Bronchopneumonia9 (1.20)3 (1.71)0.6
 Other33 (4.40)5 (2.86)0.40
Cancer35 (4.67)18 (10.29)0.007
 Lung1 (0.13)5 (2.86)0.001
 Other34 (4.53)13 (7.43)0.11
Diabetes12 (1.60)6 (3.43)0.1
CNS diseases8 (1.07)1 (0.57)0.5
Heart diseases136 (18.13)60 (34.29)0.001
Cerebrovascular diseases+34 (4.53)11 (6.29)0.3
Other vascular diseases§14 (1.87)9 (5.14)0.01
Digestive system diseases24 (3.20)6 (3.43)0.8
Trauma/poisonings13 (1.73)1 (0.57)0.3
Othersƒ16 (2.13)4 (2.29)0.9
Not well defined17 (2.27)2 (1.14)0.3
Not reported3 (0.40)1 (0.57)0.8
  • Data are presented as n (%), unless otherwise stated. CNS: central nervous system. #: 62 patients who died in hospital and were not reported in the CM register were not included; : from a test of difference in proportions; +: includes ictus and atherosclerosis; §: includes pulmonary embolism and acute or chronic cor pulmonale; ƒ: includes viral hepatitis, sepsis, meningitis, metabolic diseases other than diabetes, anaemia, psychiatric diseases, urinary system diseases and decubitus ulcers.