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. 2020 Apr 13;22(4):e17342. doi: 10.2196/17342

Table 4.

Details about patients’ adherence.

Adherence type and study Population (n) Descriptiona Effectb SMDc (95% CI)
Adherence to instructions




Wang [22] Colonoscopy (392) Purgative and dietary instructions for bowel preparation (CR) + SMD could not be calculatedd

Jeon [24] Colonoscopy (281) Purgative and dietary instructions for bowel preparation (PR) + SMD could not be calculatede

Jeon [24] Colonoscopy (281) Clinical Bowel Preparation score (CR) + 0.28 (0.05 to 0.52)

Sharara [28] Colonoscopy (160) Purgative and dietary instructions for bowel preparation (PR) = SMD could not be calculatedd

Sharara [28] Colonoscopy (160) Clinical Bowel Preparation score (CR) = 0.12 (–0.19 to 0.43)

Kang [9] Colonoscopy (650) Purgative and dietary instructions for bowel preparation (CR) + 0.51 (0.37 to 0.66)

Lorenzo-Zuniga [18] Colonoscopy (260) Purgative and dietary instructions for bowel preparation (CR) = 0.16 (–0.08 to 0.42)

Mata [19] Colorectal surgery (97) Postoperative recovery elements (eg, mobilization) (PR) = –0.13 (–0.52 to 0.26)

Alanzi [27] Diabetes mellitus (92) Self-efficacy in diabetes mellitus + 0.78 (0.36 to 1.21)

Najafi Ghezeljeh [26] Hypertension (100) Hypertension self-management (PR) + 6.78 (5.34 to 8.21)
Adherence to medication




Lakshminarayana [15] Parkinson disease (158) Parkinson disease drug adherence (PR) + 0.37 (0.05 to 0.68)

Guo [25] Atrial fibrillation (209) Anticoagulation drug adherence (PR) + SMD could not be calculatede

Johnston [17] Myocardial infarction (174) Anticoagulation drug adherence (PR) = SMD could not be calculatedd

Johnston [17] Myocardial infarction (174) Missed medication doses (PR) + 0.14 (–0.16 to 0.46)

aItems were either clinician reported (CR) or patient reported (PR).

bEffects were in favor of the intervention group (+) or there were no effects (=). No study had effects in favor of the control group (–).

cSMD: standardized mean difference.

dNo SD available (only average and P value).

eNonnormal distributed data.