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Table 7 Medication costs (£) from baseline to 9 months using GP recorded medication data

From: An external pilot cluster randomised controlled trial of a theory-based intervention to improve appropriate polypharmacy in older people in primary care (PolyPrime)

Time period

Intervention

Control

Difference (95% CI)

Mean (95% CI)

Mean (95% CI)

Baseline to 6-month follow-up

728.89 (74.77, 1383.01)

500.60 (49.41. 951.79)

228.29 (−539.67, 996.25)

 nI = 24

 nC = 25

6- to 9-month follow-up

105.66 (75.17, 136.15)

192.28 (44.51, 340.05)

−86.62 (−230.28, 57.04)

 nI = 24

 nC = 23

Total

834.55 (186.26, 1482.84)

696.95 (76.47, 1317.43)

137.60 (−736.34, 1011.53)

 nI = 24

 nC = 23

  1. nI, nC number of patients in intervention (I) and control (C) after withdrawals, CI confidence intervals