Table 4. Contribution of each component of costs due to TB diagnosis/treatment/care as a proportion of total costs among TB patients during different episodes of treatment in the study of Bao'an district, Shenzhen City, China, 2013.

Costs due to TB diagnosis and treatment as a proportion of total costs	TB diagnosis(N = 514)	TB treatment(N = 514)	TB care (N = 514)
	%	%	%
Total costs	100	100	100
Direct medical costs	93.12	38.43	43.44
Direct non-medical costs(travel)	2.96	19.47	17.96
Direct costs(all)	96.08	57.90	61.40
Indirect costs (wage/income lost)	3.92	42.10	38.60