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Fig. 3 | BMC Health Services Research

Fig. 3

From: International changes in end-of-life practices over time: a systematic review

Fig. 3

Use of opiates with possible life-shortening effects. Note: See Fig. 2 for abbreviations. X2 = 37199 (null hypothesis: all frequencies the same), p < 0.001. Thecoefficient of year = 0.0440, p < 0.001 among all surveys; greater than zero suggesting positive changes from 1990 to 2010, lower suggesting the opposite). The coefficient of year = 0.0454, p < 0.001 among Dutch surveys. The coefficient of year = 0.0513, p < 0.001 among Belgian surveys. See Appendix 3 for regression coefficients

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