Table 6.

Results per extracted dataset for dichotomous data

Study	DS	Dichotomous data
		RR	95% CI	P-value
Mäkinen et al.26	07	1.23	0.59–2.56	0.58
	08	2.46	1.44–4.22	0.001*
	09	1.39	0.76–2.54	0.29
	10	2.26	1.34–3.79	0.002*
	11	1.87	1.44–2.43	<0.00001*
	12	1.7	1.36–2.13	<0.00001*
Hujoel et al.27	13	0.55	0.37–0.83	0.004*
	14	0.68	0.50–0.93	0.01*

DS, dataset; RR, relative risk; 95% CI, 95% confidence interval.

^*Difference statistically significant in favour of xylitol.