Assessing Electronic Note Quality Using the Physician Documentation Quality Instrument (PDQI-9)
21 November 2011
accepted: 29 March 2012
16 December 2017 (online)
Objective: To refine the Physician Documentation Quality Instrument (PDQI) and test the validity and reliability of the 9-item version (PDQI-9).
Methods: Three sets each of admission notes, progress notes and discharge summaries were evaluated by two groups of physicians using the PDQI-9 and an overall general assessment: one gold standard group consisting of program or assistant program directors (n = 7), and the other of attending physicians or chief residents (n = 24). The main measures were criterion-related validity (correlation coefficients between Total PDQI-9 scores and 1-item General Impression scores for each note), discriminant validity (comparison of PDQI-9 scores on notes rated as best and worst using 1-item General Impression score), internal consistency reliability (Cronbach’s alpha), and inter-rater reliability (intraclass correlation coefficient (ICC)).
Results: The results were criterion-related validity (r = –0.678 to 0.856), discriminant validity (best versus worst note, t = 9.3, p = 0.003), internal consistency reliability (Cronbach’s alphas = 0.87–0.94), and inter-rater reliability (ICC = 0.83, CI = 0.72–0.91).
Conclusion: The results support the criterion-related and discriminant validity, internal consistency reliability, and inter-rater reliability of the PDQI-9 for rating the quality of electronic physician notes. Tools for assessing note redundancy are required to complement use of PDQI-9. Trials of the PDQI-9 at other institutions, of different size, using different EHRs, and incorporating additional physician specialties and notes of other healthcare providers are needed to confirm its generaliz-ability.
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