Table 3.

Odds ratios for prevalence of metabolic syndrome (logistic regression) according to the median of animal or vegetable protein energy/total energy or potential renal acid load or net endogenous acid production score

		OR (95% CI)	P
Animal protein energy/total energy
	≤7.7% (n = 74)	≥7.8% (n = 75)
Unadjusted OR	1 (Reference)	0.92 (0.48–1.76)	0.8113
Adjusted OR*	1 (Reference)	1.17 (0.52–2.60)	0.6978
Vegetable protein energy/total energy
	≤6.5% (n = 74)	≥6.6% (n = 75)
Unadjusted OR	1 (Reference)	0.30 (0.15–0.59)	0.0005
Adjusted OR*	1 (Reference)	0.28 (0.12–0.66)	0.0038
PRAL score
	≤6.9 mEq/day (n = 74)	≥7.0 mEq/day (n = 75)
Unadjusted OR	1 (Reference)	2.49 (1.28–4.84)	0.0083
Adjusted OR*	1 (Reference)	2.22 (1.04–4.83)	0.0384
NEAP score
	≤−8.7 mEq/day (n = 74)	≥−8.6 mEq/day (n = 75)
Unadjusted OR	1 (Reference)	2.79 (1.43–5.46)	0.0029
Adjusted OR*	1 (Reference)	2.61 (1.25–5.55)	0.0098

^*Adjusted for age, sex, serum uric acid and creatinine, total energy intake, carbohydrate intake and sodium intake.

CI, confidence interval.

NEAP; net endogenous acid production

OR, odds ratio

PRAL, potential renal acid load.