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Table 1 Coverage of chronic medical conditions and mental illness in this study

From: Hospital length of stay variation and comorbidity of mental illness: a retrospective study of five common chronic medical conditions

Illnesses

ICD-10 codes, in accordance to International statistical classification of diseases (ICD)

Chronic medical conditions as primary diagnosis

Cancer: Lung cancer “C33”,“C34”; Colorectal Cancer “C18”,“C19”,“C20”,“C21”

COPD: “J44.”

Type II Diabetes: “E11”

IHD: “I20”,“I21”,“I22”,“I23”, “I24”, “I25”

Stroke: “I60”,“I61”,“I62”,“I63”,“I64”,“I65”,“I66”,“I67”,“I68”,“I69”,“G45”,“G46”

Mental illnesses as secondary diagnosis

“F04”, “F06”, “F07”, “F09”, “F10–F19”, “F20–F29”, “F30–F39”, “F40–F48”, “F50–F59”, “F60–F69”, “F70–F79”, “F80–F89”, “F90–F99”

  1. Details of medical conditions and mental illnesses for each ICD-10 code are accessible at World Health Organisation (WHO) website [30].