Table 2.

Main results for ovarian cancer in the original studies*.

Study	Index	Relative Risk (95%CI)
Arthur et al. (9)	Diet Score Quintiles
	≤20	Reference
	21–25	1.15 (0.93, 1.43)
	26–29	1.21 (0.96, 1.52)
	30–34	1.16 (0.92, 1.47)
	>34	1.26 (0.99, 1.62)
	Healthy Diet Score
	< 24	Reference
	24-27	0.48 (0.25, 0.92)
	27-31	0.76 (0.44, 1.29)
	31-35	0.66 (0.36, 1.22)
	>35	0.50 (0.27, 0.92)
Qin et al. (10)	Healthy Eating Index-2005
	47.8	Reference
	57.6	0.87 (0.60, 1.26)
	64.8	1.03 (0.70, 1.50)
	73.5	0.83 (0.56, 1.23)
	Healthy Eating Index-2010
	48.4	Reference
	58.4	0.86 (0.60, 1.25)
	65.5	0.81 (0.55, 1.19)
	75.4	0.74 (0.50, 1.11)
	Alternate Healthy Eating Index-2010
	41.4	Reference
	49.1	0.83 (0.57, 1.19)
	55.2	0.83 (0.57, 1.19)
	67.9	0.66 (0.45, 0.98)
Xie et al. (11)	Alternate Healthy Eating Index-2010
	≤42	Reference
	>42-48	1.02 (0.78, 1.32)
	>48-53	1.23 (0.96, 1.59)
	>53-59	1.11 (0.86, 1.43)
	>59	1.03 (0.80, 1.34)
	Healthy Eating Index-2005
	≤56	Reference
	>56-63	0.79 (0.61, 1.03)
	>63-68	0.82 (0.63, 1.06)
	>68-74	0.93 (0.72, 1.20)
	>74	0.85 (0.65, 1.12)
	Alternate Mediterranean Diet Score
	≤2.6	Reference
	>2.6-3.5	0.90 (0.70, 1.16)
	>3.5-4.5	0.83 (0.65, 1.05)
	>4.5-5.5	0.85 (0.66, 1.09)
	>5.5	0.91 (0.71, 1.18)
Chandran et al. (16)	Healthy Eating Index-2005
	Tertile 1 (<67.39)	Reference
	Tertile 2 (67.39–74.50)	0.86 (0.54, 1.40)
	Tertile 3 (≥74.51)	0.90 (0.55, 1.47)
Mai et al. (18)	Recommended Foods Score
	6.4	Reference
	10	0.84 (0.54, 1.33)
	12.5	0.80 (0.48, 1.30)
	16	0.76 (0.47, 1.22)
Harnack et al. (19)	Dietary Guideline Index
	7.1 (2.1-8.3)	Reference
	9.0 (8.4-9.6)	1.59 (0.91, 2.78)
	10.2 (9.7-10.8)	1.94 (1.13, 3.32)
	11.5 (10.9-12.1)	1.79 (1.03, 3.09)
	13.5 (12.2-17.6)	2.05 (1.19, 3.52)

*The bold values were statistically significant in the original studies.