Table 1. Number of Privately Insured Patients With a CHB Diagnosis^a.

Subgroup	Individuals, No.	1 Inpatient or 2 Outpatient		1 Inpatient or 1 Outpatient
		Patients With CHB Diagnosis, No.	Diagnosed CHB Prevalence, % (95% CI)	Patients With CHB Diagnosis, No.	Diagnosed CHB Prevalence, % (95% CI)
Overall	138 634 154	63 133	0.0455 (0.0452-0.0459)	97 701	0.0705 (0.0700-0.0709)
Age group, y
6-17	28 520 831	808	0.0028 (0.0026-0.0030)	1586	0.0056 (0.0053-0.0058)
18-34	39 866 980	13 199	0.0331 (0.0325-0.0337)	20 848	0.0523 (0.0516-0.0530)
35-44	22 576 301	16 693	0.0739 (0.0728-0.0751)	24 913	0.1104 (0.1090-0.1117)
45-54	22 678 600	17 212	0.0759 (0.0748-0.0770)	26 522	0.1169 (0.1155-0.1184)
55-64	17 038 737	12 086	0.0709 (0.0697-0.0722)	19 039	0.1117 (0.1102-0.1133)
≥65	7 952 705	3135	0.0394 (0.0380-0.0408)	4793	0.0603 (0.0586-0.0620)
Sex
Male	67 312 312	36 604	0.0544 (0.0538-0.0549)	55 311	0.0822 (0.0815-0.0829)
Female	71 321 842	26 529	0.0372 (0.0367-0.0376)	42 390	0.0594 (0.0589-0.0600)
Insurance plan
Preferred provider organization	87 512 508	34 013	0.0389 (0.0385-0.0393)	53 605	0.0613 (0.0607-0.0618)
Health maintenance organization	17 372 574	15 426	0.0888 (0.0874-0.0902)	22 582	0.1300 (0.1283-0.1317)
Other	33 749 072	13 694	0.0406 (0.0399-0.0910)	21 514	0.0637 (0.0629-0.0646)
Region
Northeast	24 686 367	15 569	0.0631 (0.0621-0.0641)	25 375	0.1028 (0.1015-0.1041)
North Central	30 796 745	7332	0.0238 (0.0233-0.0244)	11 606	0.0377 (0.0370-0.0384)
South	52 785 069	19 283	0.0365 (0.0360-0.0370)	30 657	0.0581 (0.0574-0.0587)
West	25 568 826	30 063	0.1176 (0.1162-0.1189)	30 063	0.1176 (0.1162-0.1189)

Abbreviation: CHB, chronic hepatitis B.

^aDiagnosis was based on 1 inpatient, 1 outpatient, or 2 outpatient CHB diagnoses in the Truven database.