Table 5.

Studies showing the dietary intake of protein, salt, potassium and phosphorus in Indians.

Studies	Place	Number of subjects	Age group (years)	Men/Women	Population	Method used	Protein (g/day)	Salt (g/day)	Potassium (g/day)	Phosphorus (g/day)
Mathur et al. (45)	India	2,266	18–69	1081/1185	General community population	INTERSALT equation with Potassium		8.00
Thakur et al. (54)	Haryana	5,078	18–69	2294/2784	General community population	Diet and dietary salt questionnaire		8.00
Johnson et al. (17)	Delhi, Haryana, and Andhra Pradesh	1,395	>20	704/691	General community population	24 h urinary sodium excretion		9.46 (Andhra Pradesh) 8.59 (Delhi and Haryana)
Kumbla et al. (55)	Delhi, Mumbai, Calcutta, Bangalore and Chennai	466	18–75	254/192	Patients with HTN and dyslipidaemia	Three-day dietary recall		14.13 (Delhi) 9.81 (Mumbai) 10.12 (Calcutta) 9.38 (Bangalore and Chennai)
Smina et al. (2)	Chennai	200	25–70	111/89	Healthy controls, patients with T2DM, HTN and CKD	24-h dietary recall method for protein intake, 24 h urinary sodium excretion for salt intake	39.54 (HC) 39.50 (T2DM) 42.9 (HTN) 39.05 (CKD)	12.60 (HC) 14.52 (T2DM) 11.85 (HTN) 13.37 (CKD)
Radhika et al. (56)	Chennai	1902	>20	821/1081	Healthy controls and patients with HTN	Semi quantitative food frequency questionnaire		8.00 (HC) 9.90 (HTN)
Anand et al. (50)	Delhi, Haryana	1,397	>20	624/773	General community population	24 h potassium excretion			1.14 (Rural) 1.08 (urban)
Berkemeyer et al. (57)	Delhi	10	20–50		Healthy controls	2-day dietary record	67.90			1.79
Joshi et al. (16)	India	794	≥18	370/424	Gen population	3-day dietary recall, and a validated Food Frequency Questionnaire (FFQ)	57.89
Kumar et al. (14)	Delhi	255	20–69	0/255	Healthy women	24-h dietary recall method	48.70

CKD: chronic kidney disease, HC: healthy controls, HTN: Hypertension, T2DM: Type 2 diabetes.