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Table 3 Effectiveness and cost of tetanus immunity diagnostic strategies in wounded patients in French ED a,b

From: Effectiveness and cost of quick diagnostic tests to determine tetanus immunity in patients with a wound in french emergency departments

Cohort

Strategies

Tetanus case

Effectiveness (LY)

Vaccine dose

TIG dose

TQS cost

Prophylaxis cost

Total cost

All wounded patients

Medical Interview

0.41

58,658,086.40

1,033,000

320,000

-

€ 21,478,000

€ 21,564,000

N =1,658,000

TQS

0.02

58,658,087.40

601,000

186,000

€ 6,866,000

€ 12,490,000

€ 19,361,000

 

ΔC

-0.39

1

-432,000

-134,000

€ 6,866,000

-€ 8,988,000

-€ 2,203,000

Patients with a

Medical Interview

0.13

40,494,923.00

713,000

-

-

€ 7,118,000

€ 7,145,000

Non-tetanus-prone wound

TQS

0.01

40,494,923.30

415,000

-

€ 4,740,000

€ 4,139,000

€ 8,881,000

N =1,145,000

Δ

-0.13

0.3

-298,000

-

€ 4,740,000

-€ 2,979,000

€ 1,736,000

Patients with a

Medical Interview

0.28

18,163,163.40

320,000

320,000

-

€ 14,360,000

€ 14,419,000

Tetanus-prone-wound

TQS

0.02

18,163,164.10

186,000

186,000

€ 2,126,000

€ 8,351,000

€ 10,480,000

N =513,000

Δ

-0.26

0.7

-134,000

-134,000

€ 2,126,000

-€ 6,009,000

-€ 3 939,000

Patients 18-64 years

Medical Interview

0.04

56,180,160.90

838,000

260,000

 

€ 17,048,000

€ 17,438,000

N =1,383,000

TQS

0

56,180,161.00

469,000

145,000

€ 5,726,000

€ 9,755,000

€ 15,482,000

 

Δ

-0.04

0.10

-369,000

-115,000

€ 5,726,000

-€ 7,293,000

-€ 1,956,000

Patients of 65

Medical Interview

0.37

2,477,925.50

195,000

60,000

-

€ 4,430,000

€ 4,126,000

Years and over

TQS

0.02

2,477,926.40

132,000

41,000

€ 1,140,000

€ 2,735,000

€ 3,879,000

N =275,000

Δ

-0.35

0.9

-63,000

-19,000

€ 1,140,000

-€ 1,695,000

-€ 247,000

  1. ED: Emergency departments; LY: Life years; LYG: Life Years Gained; TQS: Tétanos Quick Sticks; TIG: Human tetanus immunoglobulins; N: Cohort size.
  2. aOnly wounded patients over 18 years coming in 2012.
  3. bThe number of tetanus cases with each strategy was low and comparable; differences in effectiveness was negligible. We therefore only focus on costs and consider that the current analysis is a cost-minimization rather than a cost-effectiveness analysis.
  4. cΔ = Defined as the delta of the transition from the “Medical Interview” strategy to the “TQS” strategy.