|
BATT Score Threshold for TXA treatment
|
Total patients included in TARN N (%)
|
Number of patients considered for treatmenta N (%)
|
Number of deaths avoided by BATT score threshold
|
Standardized number of deaths avoided per 10,000
|
Number needed to treatb
|
Additional NNTc for change of one point of BATT score
|
|---|
|
≥ 14
|
586 (< 1)
|
534 (< 1)
|
37
|
4.7
|
14
|
–
|
|
≥ 13
|
737 (< 1)
|
671 (< 1)
|
42
|
5.3
|
16
|
27
|
|
≥ 12
|
960 (1)
|
883 (1)
|
47
|
5.9
|
19
|
42
|
|
≥ 11
|
1266 (1)
|
1150 (1)
|
53
|
6.7
|
22
|
45
|
|
≥ 10
|
1727 (2)
|
1557 (2)
|
59
|
7.4
|
27
|
23
|
|
≥ 9
|
2533 (2)
|
2272 (2)
|
68
|
8.6
|
34
|
79
|
|
≥ 8
|
3859 (4)
|
3420 (3)
|
80
|
10.1
|
43
|
128
|
|
≥ 7
|
6879 (7)
|
5898 (6)
|
97
|
12.2
|
61
|
146
|
|
≥ 6
|
10,071 (10)
|
8584 (8)
|
109
|
13.7
|
78
|
224
|
|
≥ 5
|
16,032 (15)
|
13,335 (13)
|
124
|
15.6
|
108
|
317
|
|
≥ 4
|
22,946 (22)
|
18,769 (18)
|
136
|
17.1
|
138
|
452
|
|
≥ 3
|
33,483 (32)
|
27,062 (26)
|
152
|
19.1
|
179
|
518
|
|
≥ 2
|
80,071 (76)
|
61,598 (59)
|
210
|
26.4
|
293
|
595
|
|
≥ 1
|
89,948 (86)
|
68,452 (65)
|
216
|
27.2
|
316
|
1142
|
|
≥ 0
|
104,862 (100)
|
79,430 (76)
|
224
|
28.2
|
354
|
1372
|
- TXA Tranexamic acid, NNT Number needed to treat
- aNumber of trauma patients within 3 h of injury and the arrival of the first ambulance. Proportions are based on all patients included in the TARN registry with ISS ≥ 9
- bStandardized number of deaths avoided per 10,000 trauma patients within 3 h included in the TARN registry with an ISS ≥9
- cAdditional trauma patients needed to treat for each death avoided compared to the BATT score threshold above
