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Table 1 Comparison between study population and reference population for age group

From: Prevalence of cramps in patients over the age of 60 in primary care : a cross sectional study

Age Study population %, (n = 516) Reference population %, (n = 393796) p
60–64 25, (129) 29, (114687) 0.04
65–69 20, (101) 19, (75646) <0.01
70–74 20, (102) 18, (69321) 0.19
75–79 21, (110) 16, (61587) <0.01
>80 14, (74) 18, (72555) 0.02