Appendix 1

List of Read Codes used in the analysis

1.1. Depression diagnosis codes
E0013 – PS dementia with depression
E0021 – Senile dementia with depression
E112. – Major Dep Episode (1st)
E113. – MDE (recurrent)
E118. – SAD
E11y2 – atypical depression
E11z2 – masked depression
E130. – reactive depressive psychosis
E135. – agitated depression
E2003 – anxiety with depression
E291. – prolonged depressive reaction
E2B.. – depressisve disorder NOS
E2B1. – chronic depression
Eu204 – post schizophrenia depression
Eu251 – schizoaffective depression
Eu32. – depressive episode
Eu33. – recurrent depressive episode
Eu341 – Dysthymia
Eu412 – Mixed anxiety & depression
1.2. Depressive symptoms codes
1B17. – feeling depressed
1B1U. – symptoms of depression
1BT.. – depressed mood
1465. – H/O Depression
2257. – O/E Depressed
62T1. – puerperal depression
1.3. Physical comorbidity
B…. – Cancer
C10.. – Diabetes
G3… – Coronary Heart Disease
  • The search strategy identified patients with the specific codes listed and all sub-codes.