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. 2020 Nov 9;22(11):e23482. doi: 10.2196/23482

Table 2.

Main findings of studies.

Indication for antibiotics, study (author, year) Remote consultations, N Face-to-face consultations (control), N Outcome measures Results
Antibiotic-prescribing rate higher in remote consultations

Mehrotra et al, 2012 [22]


Sinusitis 475 4690 Antibiotic-prescribing ratea Intervention: 99%, control: 94% (P<.001)


Urinary tract infection 99 2855 Antibiotic-prescribing ratea Intervention: 99%, control: 49% (P<.001)

Uscher-Pines et al, 2016 [24]


Uncomplicated acute bronchitis 168 7342 Antibiotic-avoidance rateb Intervention: 16.7%, control: 27.9% (P<.01)

Ray et al, 2019 [27]


Acute respiratory infection 4604 38408 Antibiotic-prescribing ratea Intervention: 52%, control: 31% (P<.001)

Penza et alc, 2020 [19]


Conjunctivitis 101 202 Antibiotic-prescribing ratea during telephone consultations Intervention: 41.6%, control: 19.8% (P<.0001)
Antibiotic-prescribing rate lower in remote consultations

Rokstad and Straand, 1997 [20]


Not specified 24983 42202 Proportion of prescriptions and antibiotics prescriptions made through each consultation type Antibiotic-prescribing ratea lower in intervention*
Intervention: 43.5% of all prescriptions; 7.8% of remote prescriptions were antibiotics
Control: 56.6% of all prescriptions; 17.8% of face-to-face prescriptions were antibiotics

Huibers et ald, 2014 [16]


Not specified 382748 180032 Antibiotic-prescribing ratea Intervention: 26.1% (95% CI 25.9-26.3)
Control: 10.7% (95% CI 10.6-10.8)

Ewen et al, 2015 [23]


Not specified 61707e 61707e Proportion of antibiotics prescriptions out of all prescriptions 12.4% of all antibiotics prescriptions made through telephone (6617 telephone consultations and 27,487 office consultations; 63,418 antibiotics were prescribed during 61,707 consultations to 31,302 individuals)*

Shi et al, 2018 [25]


Acute respiratory infection 38839 942163 Antibiotic-prescribing ratea Intervention: 52%, control: 53% (P<.01)

Johnson et al, 2019 [26]


Sinusitis 175 175 Antibiotic-prescribing ratea Intervention: 68.6%, control: 94.3% (P<.001)
No significant difference in antibiotic-prescribing rate

McKinstry et al, 2002 [21]


Not specified 187 181 Antibiotic-prescribing ratea Intervention: 19.3%, control: 16.0%; difference: −3.3% (95% CI −11.1% to 4.5%)

Murray et al, 2019 [18]


Urinary tract infection 150 150 Antibiotic-prescribing ratea in telephone consultations Intervention: 81%, control: 83% (P=.76)


Urinary tract infection 150 150 Antibiotic-prescribing ratea from text-based e-visits Intervention: 81%, control: 83% (P=.65)

Penza et alc, 2020 [19]


Conjunctivitis 101 202 Antibiotic-prescribing ratea from text-based e-visits Intervention: 25.7%, control: 19.8% (P=.24)

aAntibiotic-prescribing rate: percentage of consultations that resulted in antibiotic management per consultation type.

bAntibiotic-avoidance rate: percentage of patients that did not receive antibiotics for uncomplicated acute bronchitis, as they had no clinical indication.

cResults of the same study for different populations reported separately.

d[16] and [17] are articles published on the same study. The results from the Huibers et al [16] study are reported in this table.

eNumber of remote consultations and face-to-face consultations in this study was not available. The number of consultations altogether has been reported instead.

*P values or confidence intervals not reported in the original studies.