Table 1

Description of Global Severity Index by levels

Levels

Description of each level

I

Clinically stable patient, without serious residual symptoms, with good social and family adjustment, autonomous or with minimal dependency, in regular contact with services

II

Patient with some symptoms, with evident disability or unstable evolution, who decompensates frequently, with moderate disability, adequate social support and contact with health services

III

Patient with predominant negative symptoms or residual symptoms with severe impairment of functioning, or with low social support or irregular service contact (non adherence to treatment)

IV

Patient with serious symptoms that jeopardize the patient's health or other people, with great disability, without social support and with poor contact with services or who refuses treatment

Moreno-Küstner et al. BMC Health Services Research 2011 11:257   doi:10.1186/1472-6963-11-257