Table 5.

Sensitivity analysis using the total cost of treatment for all diagnosed cases, 2013 (in US$)

Scenario	Fully decentralised US$	Fully Hospitalised, US$	Partially decentralised Model A US$	Partially decentralised Model B US$	Urban/rural divide US$
Base-case estimate	109 794 198	190 208 003	115 584 975	122 029 079	162 370 737
Model B
20% smear-positive	–	–	–	117 196 727	–
60% smear-positive	–	–	–	125 763 169	–
Model A
Home visits at US$10.75* per patient per day			141 187 047	–	–
Using a range of costs for in-patient day
Lower estimate at US$44.44† (applicable to larger urban hospitals due to economies of scale)	92 868 141	140 959 464	96 347 256	100 098 080	115 133 858
Upper estimate at US$98.77‡ (applicable to rural hospitals with fewer patients and higher transport costs)	126 720 295	239 438 456	134 815 613	143 952 007	178 902 710
Replacing centralised approach in rural patients with
Model A	–	–	–	–	112 471 859
Model B	–	–	–	–	115 455 086
If relative % of XDR-TB and pre-XDR-TB
Doubled	128 129 829	221 972 740	134 887 666	142 407 935	189 486 650
Halved	106 390 578	184 311 555	112 001 841	118 246 178	157 337 244

^*Estimate.

^†Cost data from the urban TB hospital.

^‡Cost data from the rural TB hospital.

TB = tuberculosis; XDR-TB = extensively drug-resistant TB.