Table 3.

Association between DII and length of hospitalization

Study number	First author (year)	design	Follow up (years)	Food assessment questionnaire	Study subjects	Type of cancer mortality	Total sample size (death number)	Groups	Type of effect size measure	Effect size measure (95% CI)	Covariates
1	Aleksander Galas (2014)b[59]	Cohort	11 days	148 itemsemi - quantitative FFQ	Surgical patients treated for colorectal cancer	Colorectal cancer	689	Over the first tertile (> -3.41) vs. tertile 1 (≤ -3.41)	OR	0.76 (0.53-1.09)	Age, smoking, marital status, overweight or obesity, calendar year when surgery was performed, surgery type, cancer site, chemotherapy after surgery, radiotherapy after surgery
								Over the first quartile (> -3.91) vs. quartile 1 (≤ -3.91)		0.69 (0.46-1.03)
								Over the first quintile (> -4.25) vs. quintile 1 (≤ -4.25)		0.69 (0.45-1.07)

FFQ: Food frequency questionnaire, OR: Odds ratio