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Table 3 Results of meta-analyses by care providers and interventions (systolic BP outcome)

From: Effectiveness of interventions for hypertension care in the community – a meta-analysis of controlled studies in China

Subgroups No. of studies Mean difference (95% CI) I2
All studies 47 13.7 (11.5, 15.9) 96.8%
By care providers:    
 Community nurses only 19 14.2 (10.8, 17.7) 96.8%
 General practitioners only 13 14.9 (10.0, 19.8) 97.9%
 GP and nurses 5 11.2 (6.5, 15.9) 89.3%
By interventions:    
 Education of patients 43 14.0 (11.7, 16.2) 96.7%
 Training of care providers 3 11.5 (−1.8, 24.8) 99.0%
 BP monitoring 23 14.8 (11.5, 18.1) 96.4%
 Self-management 6 13.7 (10.4, 17.0) 89.8%
 Family support 8 14.5 (9.9, 19.2) 96.0%
 Organisational changes 6 12.2 (7.3, 17.1) 94.4%
  1. Note to Table 3: Heterogeneity was statistically significant (P < 0.001) for all subgroups.