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Table 4 Summary of outcomes and statistically significant results relating to getting patients to the visit

From: The impact of interventions on appointment and clinical outcomes for individuals with diabetes: a systematic review

Type of intervention Primary outcomes Studies analyzing primary outcomes Studies with significant results References
Phone Reminder ↓HbA1c 5 5 [16, 2831]*
↓SBP 4 2 [29, 31] [28, 30]*
↓Cholesterol 4 1 [28, 30, 31] [29]*
↑# HbA1c tests 5 4 [32] [16, 25, 28, 30]*
↑# of provider visits 2 2 [27, 28]*
↓Hospitalization rate 2 1 [27] [32]*
↑Eye exam 2 2 [30, 32]*
↑Foot exam 3 3 [28, 30, 32]*
Letter Reminder ↓HbA1c 2 0 [26] [72]NP
↓SBP 1 0 [26]
↑# HbA1c tests 3 3 [2426]*
↑# of provider visits 1 1 [27]*
↓Hospitalization rate 1 0 [27]
SMS Reminder ↓HbA1c 1 1 [33]*
↓Cholesterol 1 1 [33]*
Financial incentive ↓SBP 1 1 [34]*
↑# HbA1c tests 1 1 [24]*
↑# of provider visits 1 0 [34]↓*
↓ED visit rate 1 1 [34]*
↓Hospitalization rate 1 0 [34]
  1. *indicates significant findings with p-value≤0.05; ↓=decrease, ↑increase
  2. NP p-value is not given