. 2025 Aug 5;13:e19685. doi: 10.7717/peerj.19685

Table 3. Reference intervals for AGE fractions established from 55 cattle.

Measurand	Units	n	Mean	SD	Median	Min	Max	P-value	Distribution	Method	LRL of RI	URL of RI	CI of LRL	CI of URL
Total protein	(g/dL)	55	7.30	0.90	7.40	4.30	10.30	0.01	NG	R, T	5.81	8.78	5.46–6.16	8.43–9.13
A/G ratio		55	0.75	0.10	0.75	0.51	0.94	0.41	G	R, T	0.58	0.92	0.54–0.62	0.88–0.96
Albumin	(%)	55	42.75	3.53	42.90	33.80	48.60	0.08	G	R, T	36.9	48.6	35.6–38.3	47.2–49.9
Albumin	(g/dL)	55	3.11	0.39	3.12	2.04	4.47	0.02	NG	R, T	2.41	3.58	2.32–2.62	3.59–3.89
Alpha 1	(%)	55	6.9	1.24	7.0	4.50	9.10	0.02	NG	R, T	4.84	8.95	4.36–5.33	8.46–9.43
Alpha 1	(g/dL)	55	0.49	0.13	0.50	0.00	0.77	0.001	NG	R, T	0.28	0.71	0.22–0.33	0.66–0.76
Alpha 2	(%)	55	8.16	0.87	8.0	6.60	10.30	0.25	G	R, T	6.72	9.60	6.38–7.06	9.26–9.94
Alpha 2	(g/dL)	55	0.59	0.10	0.60	0.31	0.85	0.58	G	R, T	0.42	0.77	0.38–0.46	0.73–0.81
Beta total	(%)	55	10.39	1.38	10.50	7.40	13.80	0.89	G	R, T	8.12	12.6	7.59–8.66	12.1–13.2
Beta total	(g/dL)	55	0.76	0.14	0.76	0.33	1.05	0.52	G	R, T	0.51	1.01	0.45–0.57	0.95–1.06
Gamma	(%)	55	31.8	3.83	32.20	24.50	41.80	0.38	G	R, T	25.5	38.1	24.0–26.9	36.6–39.6
Gamma	(g/dL)	55	2.32	0.44	2.28	1.40	3.68	0.06	G	R, T	1.60	3.05	1.42–1.77	2.88–3.22

Notes.