The natural course of hereditary angioedema in a Chinese cohort

Table 2 Patients with different disease progression patterns at each age stage

Age stage	Patients, N	Patients under therapy-free conditions							Excluded^b
Age stage	Patients, N	Included, n	Silent	First episode	Exacerbation	Stable	Remission	Weighted average^a	Excluded^b
0–9	103	103	89	14	0	0	0	1.27	0
10–19	103	101	38	51	3	8	1	2.15	2
20–29	95	84	4	34	36	9	1	2.77	11
30–39	74	40	1	3	18	12	6	2.35	34
40–49	36	18	0	1	7	6	4	2.22	18
50–59	18	8	0	0	2	2	4	1.75	10
60–69	4	2	0	0	0	0	2	1.00	2

^aWeighted average = (number of the patients at silent or remission stage ×1+ number of the patients at stable stage ×2+ number of the patients with first episode or at exacerbation stage × 3) / n
^b Patients were excluded from the analysis because of receiving a confirmed diagnosis and prophylactic drugs at this age stage

ISSN: 1750-1172