Age- and gender-specific dynamics and next-generation reference intervals for pepsinogen in northern China

Table 3 Next-generation reference intervals for pepsinogen I and pepsinogen II

Age (years)	PG I (μg/L)			PG II (μg/L)
	2.5th percentile	Median	97.5th percentile	2.5th percentile	Median	97.5th percentile
20	23.08	39.75	60.3	3.09	5.07	7.92
21	23.7	39.87	60.73	3.11	5.08	8.02
22	23.71	39.98	61.17	3.13	5.1	8.13
23	23.71	40.1	61.62	3.14	5.12	8.23
24	23.72	40.21	62.06	3.16	5.13	8.32
25	23.74	40.32	62.49	3.17	5.15	8.43
26	23.75	40.41	62.92	3.19	5.16	8.53
27	23.77	40.5	63.34	3.2	5.18	8.65
28	23.79	40.58	63.76	3.21	5.19	8.8
29	23.66	40.65	64.15	3.23	5.21	8.94
30	23.63	40.72	64.55	3.25	5.23	9.09
31	23.59	40.79	64.95	3.26	5.25	9.23
32	23.56	40.86	65.33	3.28	5.27	9.42
33	23.53	40.95	65.73	3.3	5.29	9.58
34	23.52	41.04	66.11	3.32	5.31	9.74
35	23.52	41.16	66.48	3.33	5.33	9.89
36	23.53	41.29	66.85	3.35	5.37	10.03
37	23.56	41.43	67.21	3.37	5.4	10.15
38	23.61	41.6	67.58	3.39	5.43	10.27
39	23.68	41.8	67.95	3.41	5.47	10.37
40	23.79	42.02	68.39	3.43	5.51	10.47
41	23.93	42.27	68.86	3.44	5.56	10.57
42	24.11	42.56	69.37	3.46	5.6	10.68
43	24.33	42.87	69.89	3.48	5.66	10.79
44	24.59	43.22	70.42	3.49	5.71	10.89
45	24.89	43.59	71.18	3.51	5.77	10.99
46	25.22	43.96	71.85	3.52	5.84	11.1
47	25.59	44.4	72.54	3.53	5.9	11.21
48	25.97	44.83	73.29	3.54	5.97	11.31
49	26.37	45.26	73.98	3.55	6.05	11.42
50	26.77	45.7	74.71	3.56	6.12	11.53
51	27.18	46.15	75.43	3.57	6.19	11.64
52	27.59	46.62	76.17	3.58	6.27	11.76
53	27.98	47.08	76.78	3.6	6.36	11.87
54	28.35	47.46	77.38	3.62	6.43	11.98
55	28.71	47.85	77.92	3.64	6.52	12.09
56	29.07	48.26	78.48	3.66	6.59	12.21
57	29.36	48.67	78.82	3.68	6.67	12.32
58	29.65	49.05	79.19	3.71	6.74	12.44
59	29.89	49.41	79.52	3.73	6.82	12.55
60	30.1	49.75	79.89	3.76	6.9	12.67
61	30.28	50.07	80	3.79	6.97	12.78
62	30.42	50.38	80.17	3.81	7.04	12.89
63	30.53	50.67	80.29	3.84	7.11	13
64	30.61	50.95	80.38	3.87	7.18	13.1
65	30.67	51.22	80.44	3.9	7.26	13.2
66	30.73	51.48	80.44	3.93	7.33	13.3
67	30.77	51.73	80.41	3.96	7.4	13.39
68	30.81	51.97	80.34	4	7.47	13.49
69	30.85	52.2	80.21	4.03	7.55	13.59
70	30.9	52.44	80.01	4.08	7.62	13.69
71	30.95	52.67	79.98	4.13	7.69	13.79
72	31.01	52.9	79.84	4.18	7.77	13.88
73	31.07	53.18	79.7	4.23	7.84	13.98
74	31.14	53.35	79.56	4.28	7.91	14.08
75	31.21	53.58	79.42	4.34	7.98	14.17
76	31.28	53.8	79.28	4.39	8.06	14.26
77	31.36	54.02	79.14	4.45	8.13	14.34
78	31.43	54.25	79.02	4.5	8.2	14.43
79	31.51	54.47	78.91	4.56	8.27	14.51
80	31.58	54.7	78.81	4.61	8.36	14.6

PG: Pepsinogen.