Table 4 Sensitivity analysis: Incremental cost per tuberculosis case prevented by post-trip tuberculin testing (versus no screening)

Base case

$161,196

$143,578

$102,745

$65,264

$36,931

$21,406

Increase traveler age from 21 years†

to 35 years

$163,779

$148,268

$103,993

$67,644

$37,482

$22,651

to 55 years

$178,237

$164,591

$113,168

$76,263

$40,989

$26,537

Increase trip duration from 3 months†

to 6 months

$111,832

$60,889

$16,787

$108,476

$48,731

$15,261

to 12 months

$67,592

$71,720

$31,427

$31,217

$5,426

$8,554

to 24 months

$35,872

$41,050

$13,622

$16,510

Cost saving

$2,740

Change isoniazid completion rate from 65%†

to 50%

$208,386

$185,056

$132,752

$84,964

$48,813

$29,113

to 100%

$103,191

$93,192

$65,368

$41,179

$22,017

$12,007