Fig. 2
Correlation matrix for any pair of data features within 486 features. Colour bar: pairwise Pearson correlation values. These features (Ft) are: Ft1: total number of patient participated in the audit; Ft2 to Ft9: age related features; Ft10 to Ft14: gender specific features; Ft15 to Ft21: Ethnicity features; Ft22 to Ft25: language features; Ft26 to Ft34: patients with specific ward/team; Ft35 to Ft60: patients with primary diagnosis; Ft61 to Ft66: patients with delirium as a part of admitting condition; Ft67 to Ft77: patients with recorded dementia subtypes; Ft78 to Ft88: patients with psychiatric diagnosis; Ft89 to Ft91: patients died in the hospitals; Ft92 to Ft97: patients details related to discharge from the hospital; Ft98 to Ft99: patients receiving end of life care or care plan; Ft100 to Ft113: patients with length of stay recorded; Ft114 to Ft125: place of residence recorded before admission; Ft126 to Ft137: place of residence recorded after discharge; Ft138 to Ft187: total number of prescriptions of specific drugs at the time of admission; Ft188 to Ft239: total number of prescriptions of specific drugs in the hospital; Ft240 to Ft289: total number of prescriptions of specific drugs at the time of discharge; Ft290 to Ft298: number of prescriptions under different scenarios; Ft299 to Ft324: total number of prescriptions related to antipsychotic, hypnotics, antidepressant, dementia and anticonvulsants, same resumed/stopped at different time; Ft325 to Ft359: total number of new prescriptions related to antipsychotic, hypnotics, antidepressant, dementia and anticonvulsants during different time in hospital; Ft360 to Ft367: regular prescriptions related to antipsychotic, hypnotics, antidepressant, dementia and anticonvulsants; Ft368 to Ft385: total number of prescriptions related to antipsychotic, hypnotics, antidepressant, dementia and anticonvulsants; Ft386 to Ft421: prescriptions when reasons for prescription are recorded; Ft422 to Ft447: New prescription target symptoms recorded; Ft448 to Ft466: new prescriptions of antipsychotic, hypnotics, antidepressant, dementia and anticonvulsants are recorded by person/team; Ft467 to Ft486: prescriptions recommended for review or reviewed at different times.