Table 3. Individual studies evaluating HR between fiber diet and mortality.

Study	Total sample	Total death cases	Follow-up (years)	HR	HR 95% CI - Lower	HR 95% CI - Upper	Weight in meta-analysis
1. Park et al., 2011 148	567,169	31,456	9	0.78	0.73	0.82	22.14
2. Chan & Lee, 2016 149	15,740	3,164	6	0.87	0.79	0.97	17.54
3. Dominguez et al., 2018 150	19,703	323	10.1	0.91	0.84	0.99	19.06
4. Huang et al., 2015 151	367,442	46,067	14	0.78	0.76	0.80	26.07
5. Buil-Cosiales, et al., 2014 152	7,216	425	8.7	0.63	0.46	0.86	7.90
6. Xu et al., 2014 153	1,110	300	10	0.66	0.48	0.91	7.29
Total	978,380	81,735
Meta analyses
7. Kim & Je, 2016 154	1,409,014	45,078	-	0.77	0.71	0.84	-
8. Yang et al., 2015 155	982,411	67,260	-	0.84	0.80	0.87	-

Note: HR was calculated for fiber diet vs. non-fiber diet.