Testing the implementation of an electronic process-of-care checklist for use during morning medical rounds in a tertiary intensive care unit: a prospective before–after study

Annals of Intensive Care

Table 4 Measures of concordance between physician and auditor checklist responses for each care component

Care component	n	Proportion observed agreement	Bias index	Prevalence index	Byrt’s kappa	Proportion positive	Proportion negative
Medications	289	100	n/a	n/a	No variation^a	n/a	n/a
Readiness to wean	194	94.33	−0.036	0.933	0.887	0.971	0.154
Glucose management	306	91.18	0.082	0.912	0.824	0.954	0
Nutrition	270	97.04	0	0.956	0.941	0.985	0.333
Stress ulcer prophylaxis	233	99.57	0.004	0.996	0.991	0.998	0
DVT prophylaxis	255	98.82	0.004	0.988	0.976	0.994	0
Head-of-bed elevation	190	85.26	0.126	0.853	0.705	0.920	0
Sedation	150	92.00	0.040	0.92	0.840	0.958	0
Pain	207	79.23	0.130	0.783	0.585	0.883	0.044

Concordance based on 2 × 2 contingency table.
n/a not applicable due to no variation in marginal distributions.
^aByrt’s kappa not calculated for medications, as there was 100% agreement (no variation between the two respondent groups).