An Interface-driven Analysis of User Interactions with an Electronic Health Records System

Table 4

The 7-Step Markov Chain

	Step 1	Step 2	Step 3	Step 4	Step 5	Step 6	Step 7
A - Assessment and Plan	0.006	0.071	0.165	0.193	0.19	0.193	0.191
B - Retaking BP	0.015	0.008	0.005	0.004	0.004	0.004	0.004
D - Diagnosis	0.002	0.012	0.076	0.149	0.169	0.166	0.168
E - Medication Side Effects	0.002	0.018	0.003	0.002	0.002	0.002	0.002
F - Family History	0.006	0.07	0.026	0.017	0.015	0.014	0.014
G - Allergies	0.131	0.044	0.029	0.015	0.013	0.012	0.012
H - History of Present Illness	0.681	0.067	0.054	0.048	0.048	0.048	0.048
L - Laboratory Test	0	0.008	0.032	0.037	0.041	0.043	0.043
M - Medication	0.021	0.121	0.13	0.114	0.109	0.112	0.112
O - Order	0.036	0.136	0.133	0.129	0.134	0.135	0.135
P - Procedure	0	0.002	0.004	0.008	0.01	0.011	0.011
R - Encounter Memo	0.036	0.007	0.003	0.003	0.003	0.004	0.004
S - Social History	0.004	0.161	0.071	0.041	0.033	0.031	0.031
T - Office Test	0	0.007	0.013	0.013	0.012	0.012	0.012
V - Vaccination	0.019	0.008	0.012	0.013	0.017	0.018	0.018
X - Physical Examination	0.008	0.137	0.152	0.131	0.126	0.122	0.121
Y - Review of Systems	0.032	0.123	0.093	0.082	0.075	0.073	0.074

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