Table 4. Reference Intervals obtained in this study compared with those from selected other countries.

NA, Not Available.<br>Values transformed according to the conversion of international units

Parameter	This study (Chile)		México [25]		Perú [27]		Ethiopia [32]		USA [33]	Tanzania [34]		Unit of<br>measurement
	Female	Male	Female	Male	Female	Male	Female	Male	Adults	Female	Male
Glucose	4.58–6.64	4.77–6.45	NA	NA	3.95–7.89	3.72–5.88	3.33–6.61	3.61–6.99	4.16–6.38	3.30–5.06	2.88–5.30	mmol/L
Urea	2.48–7.35	3.28–8.17	2.13–6.83	2.50–7.16	3.00–7.16	2.50–7.16	1.33–6.91	2.16–7.84	NA	1.47–4.61	1.57–5.01	mmol/L
AST	0.20–0.69	0.22–0.80	0.20–0.58	0.20–0.58	NA	NA	0.267–0.986	0.318–1.05	0–0.58	0.225–0.586	0.253–0.89	μkat/L
ALT	0.13–1.12	0.18–1.9	0.116–0.60	0.157–0.783	NA	NA	0.132–0.80	0.234–0.816	0–0.58	0.117–0.748	0.153–0.921	μkat/L
Alkaline<br>phosphatase	0.83–2.5	0.93–2.33	NA	NA	NA	NA	0.833–5.432	0.916–5.72	0.5–2	0.72–2.585	0.757–2.83	μkat/L
Total<br>Bilirubin	3.52–17.39	4.58–24.08	3.76–17.78	3.76–17.7	NA	NA	1.71–20.52	1.71–22.2	5.13–17.1	4.5–31.3	6.0–42.0	μmol/L
Direct<br>Bilirubin	1.50–4.91	1.86–7.51	2.05–7.18	2.05–7.18	NA	NA	NA	NA	1.71–5.13	0.70–5.83	0.93–8.43	μmol/L
Uric acid	148.5–362	202–458	142–426	193–547	95–631	71–559	NA	NA	NA	148–360	196–459	μmol/L
LDL<br>Cholesterol	1.40–4.65	1.30–4.82	NA	NA	2.11–4.82	1.02–5.72	NA	NA	<2.59	NA	NA	mmol/L
HDL<br>Cholesterol	0.92–2.43	0.68–1.79	NA	NA	0.78–1.94	0.78–1.76	NA	NA	<1.03	NA	NA	mmol/L
VLDL<br>Cholesterol	0.24–1.54	0.26–1.88	NA	NA	0.25 – 1.42	0.2–1.63	NA	NA	NA	NA	NA	mmol/L
Total<br>Cholesterol	3.18–6.83	3.40–7.27	NA	NA	4.42–6.26	2.64–7.51	1.78–5.59	2.51–5.40	<5.17	2.82–5.5	2.32–5.67	mmol/L
Triglycerides	0.53–3.36	0.57–4.10	NA	NA	0.54–3.09	0.44–3.54	0.52–2.33	0.50–2.49	NA	0.38–2.18	0.39–3.01	mmol/L
Total<br>Proteins	66.3–80.3	67.4–83.0	62.0–81.0	65.0–81.0	56.0–82.0	60.0–83.0	52.0–90.0	58.0–85.0	62.0–82.0	65.8–85.5	67.2–85.2	g/L