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. 2020 Jul 8;8(7):e16521. doi: 10.2196/16521

Table 3.

Primary care messages.

Message category and year Message count Unique patients Provider count Messages per patient Messages per provider Percentage completed after hours, % Messages per provider completed after hours
Physician responses to messages

2013 20,299 7441 133 2.73 153 18.8 29

2017 47,700 17,323 148 2.75 322 21.0 68

Change (%) +135 +133 +11 +1 +110 +11.6 +134
NPa/PAbresponses to messages

2013 4864 2105 53 2.31 92 10.0 9

2017 25,772 11,572 101 2.23 255 19.5 50

Change (%) +430 +450 +91 −3 +177 +94 +456
RNc responses to messages

2013 2053 1261 89 1.63 23 5.0 1

2017 32,904 16,587 158 1.98 208 3.1 7

Change (%) +1503 +1215 +78 +21 +804 −38 +600
Physician-initiated messages

2013 36,093 17,691 133 2.04 271 N/Ad N/A

2017 147,020 44,049 153 3.34 961 N/A N/A

Change (%) +307 +149 +15 +64 +255 N/A N/A
NP/PA-initiated messages

2013 9095 2105 47 4.32 194 N/A N/A

2017 54,872 9266 89 5.92 617 N/A N/A

Change (%) +503 +340 +89 +37 +218 N/A N/A
RNd-initiated messages

2013 2119 1063 57 1.99 37 N/A N/A

2017 18,278 11,039 160 1.66 114 N/A N/A

Change (%) +763 +938 +181 −17 +208 N/A N/A

aNP: nurse practitioner.

bPA: physician assistant.

cRN: registered nurse.

dN/A: not applicable. The percentage completed after work was not applicable in the provider-initiated messages because of the high percentage of automation.