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. 2021 Aug 20;14:2261–2273. doi: 10.2147/JMDH.S325645

Table 1.

Clinical Management Outcomes

Citation Study Design Country Model of Communication Parties Communicating Population Studied Number of Patient Description of Intervention Description of Comparator Result Summary Statistical Test Overall Effect
Cohen et al (2019)17 RCT United States Special electronic device (The Health Buddy) and Telephone Patient and Pharmacist Veteran Patient, diagnose with type 1 or type 2 diabetes 30 Pharmacist care based on special electronic device-based
Telephone-based counselling to improve diabetes therapy control
Usual care (care by nurses based on special electronic devices for monitoring the patient’s daily condition Intervention Group:
 - Before: 8.9 ± 2.1
 - After: 8.8 ± 2.0
 - Mean change: 0.40 (−1.01 to 0.23)
Control Group:
 - Before:7.6 ± 1.1
 - After: 6.9 ± 0.9
 - Mean change: −0.42 (−0.21 to 1.04)
P-value: 0.006
Significance (p<0.05)
Chi-square and t-test Positive
McFarland et al (2012)19 Non-RCT United States Electronic messaging, online reporting and telephone Patient and Pharmacist Veteran Patient, diagnose with type 2 diabetes 103 Telephone-based counseling
Online monitoring of blood sugar levels
Counseling via Telephone Intervention Group:
 - Before: 9.0 ± 1.1%
 - After: 6.9 ± 1.5%
 - Mean change: 2.1 ± 1.7%
Control Group:
 - Before: 9.1 ± 1.6%
 - After: 7.5 ± 1.1%
 - Mean change: 1.6 ± 1.2%
P-value: 0.0066
Significance (p<0.05)
Wilcoxon & T-test Positive
Peasah et al (2020)21 RCT United States Telephone Patient and Pharmacy Student Adult Patient with HbA1c ≥7% 78 Weekly counseling via telephone for 12 weeks Usual care Intervention Group:
 - Before: 8.5 (1.4)
 - After: 8.2 (1.4)
 - Mean change: −0.35 (0.88)
Control Group:
 - Before: 7.9 (1.3)
 - After: 8.2 (1.3)
 - Mean change: 0.338 (0.802)
P-value: 0.0019
Significance (p<0.05)
Chi square and paired t-tets Positive
O’Connor et al (2014)22 RCT United States Telephone Patient and Multidiciplinary Team Adult Patient, diagnose with diabetes 2378 Monitoring, follow-up, education and reminders to take medication via telephone for 2–6 weeks Usual care Intervention Group:
 - Before: 9.76 ± 1.66%
 - After: -
 - Mean change: −1.08 ± 1.78%
Control Group:
 - Before: 9.83 ± 1.65%
 - After: -
 - Mean change: −0.90 ± 1.85%
P-value: 0.0476
Significance (p<0.05)
Not mentioned Positive
Sarayani et al (2018)23 RCT Iran Telephone Patient and Pharmacist Adult Patient, diagnose with type 2 diabetes 100 Weekly consultation via telephone for 3 months Usual care Intervention Group:
 - Before: 7.84 ± 1.17
 - 3 Months: 6.97 ± 1.14
 - 9 Months: 6.96 ± 1.44
Control Group:
 - Before: 8.16 ± 1.66
 - 3 Months:7.09 ± 1.78
 - 9 Months: 7.26 ± 1.85
P-value: 0.0476
Significance (p<0.05)
Chi square or T- test and Paired t-test Positive
Aguiar et al (2016)24 RCT Brazil Telephone Patient, physician & pharmacist Patient aged 40–79 years old, diagnose with type 2 diabetes 80 Telephone consultation and monitoring for drug therapy and medication adherence Usual care Intervention Group:
 - Before: 9.03 ± 1.3
 - 12 Months: −0.79 (−1.1 to −0.5)
Control Group:
 - Before: 8.87 ± 1.4
 - 12 Months: −0.16 (−0.5 to 0.2)
P-value: 0.010
Significance (p<0.05)
Fisher Exact and Student’s t-test Positive
Jarab et al (2012)25 RCT Jordan Telephone Patient and Pharmacist Adult outpatient, diagnose with type 2 diabetes 156 Monitoring and follow-up treatment via telephone for 8 weeks Usual care (without pharmacist intervention) Intervention Group:
 - Before: 8.5 (6.9 to 10.3)
 - 6 Months: −0.8 (−1.6 to 0.1)
Control Group:
 - Before: 8.4 (6.6 to 10.2)
 - 6 Months: +0.1 (−0.4 to 0.7)
P-value: 0.019
Pearson chi square and T-test Positive
Lauffenburger et al (2019)26 RCT United States Telephone Patient and Pharmacist Patient aged 18–64 years old with uncontrolled type 2 diabetes 1400 Telephone consultation and drug management Usual care Intervention Group:
 - Before: 9.3 (1.6)
 - After: −0.75 (1.96)
 - Proportion achieving optimal HbA1c: 34.8%
Control Group:
 - Before: 9.4 (1.6)
 - After −0.79 (2.01)
 - Proportion achieving optimal HbA1c: 38.0%
Proc-Power and ANOVA Positive
Choudry et al (2018)27 RCT United States Telephone Patient and Pharmacist Patient aged 18–84 years old with uncontrolled type 2 diabetes 4078 Telephone consultation and monitoring of drug therapy adherence Usual care Intervention Group:
 - Before: 9.8 (1.8)
 - After: 9.3 (2.0)
Control Group:
 - Before: 9.5 (1.4)
 - After: 9.2 (1.8)
0.2% (95% CI, −0.2–-0.5%)
Not mentioned Positive
Lee et al (2017)28 RCT Malaysia Software applications and web based applications Patient and multidisciplinary Team Patient aged > 18 years old, diagnose with diabetes and fasting 85 Blood glucose monitoring
Diabetes management counseling, medication adherence and lifestyle modification
Usual care (clinical visit) HbA1c
Intervention Group:
 - End of study: 7.62% (1.61)
 - Reduction: −1.06% (1.66)
Control Group:
 - End of study: 8.55% (1.86)
 - Reduction: −0.22% (1.48)
P value: <0.01
Fasting plasma glucose (mmol/L)
Intervention Group:
 - End of study: 9.69 (3.56)
 - Reduction: −0.01 (3.57)
Control Group:
 - End of study: 8.75 (3.83)
 - Reduction: 0.06 (3.42)
P value: 0.97
Significance (p<0.05)
Student;s t-test and chi square Positive
Shane-McWhorter (2015) RCT United States Special electronic device (Authentidate Electronic House Call) and interactive voice response Patient and Pharmacist Patient aged > 18 years old, diagnose with type 2 diabetes 150 Blood glucose value monitoring, diabetes management and education Usual care (clinical visit) HbA1c
Intervention Group:
 - Baseline: 75 (9.87 ± 2.06)
 - End of study: 75 (7.80 ± 1.64)
 - Reduction: −2.07 (2.36)
 - P-value: <0.001
Control Group:
 - Baseline: 75 (9.44 ± 1.72)
 - End of study: 75 (8.78 ± 1.86)
 - Reduction: −0.66 (1.99)
 - P-value: 0.006
P-value (intervention vs control): <0.001
Comparison between intervention & control: independent t-test or chi-square
Comparison between pre-post outcome: paired t-test
Positive

Abbreviations: RCT, Randomized Controlled Trial.