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Table 3 Percentage of prescription of drugs of low therapeutic utility (UTB) in the rural study center and the control center. RRR = relative risk reduction.

From: Utility of a thematic network in primary health care: a controlled interventional study in a rural area

% UTB Year 2000 Year 2001 Variation 2001–2000 RRR Difference in RRR (Total effect)
Studied BZH 6.75% 6.28% -0.47% -6.96% -6,26%
Control 5.50% 5.46% -0.04% -0.72%