Total TASH score is the sum of eight weighted components.

Variable	Finding	Points
Sex	Male, female	1, 0
Haemoglobin	Less than 7, 7 to 8.99, 9 to 9.99, 10 to 10.99, 11 to 11.99, 12 g/dL or greater	8, 6, 4, 3, 2, 0
Base excess	Less than -10, -10 to less than -6, -6 to less than -2, -2 mmol/L or greater	4, 3, 1, 0
Systolic blood pressure	Less than 100, 100 to 119, 120 mmHg or greater	4, 1, 0
Heart rate	More than 120, 120 beats/min or less	2, 0
Positive FAST for intra-abdominal fluid	Yes, no	3, 0
Clinically unstable pelvic fracture	Present, absent	6, 0
Open or dislocated femur fracture	Present, absent	3, 0

The displayed probability follows the MDCalc score table.

TASH score	Predicted need for massive transfusion
0 to 8	Less than 5%
9	6%
10	8%
11	11%
12	14%
13	18%
14	23%
15	29%
16	35%
17	43%
18	50%
19	57%
20	65%
21	71%
22	77%
23	82%
24	85%
25 to 31	More than 85%

TASH Score (Trauma Associated Severe Haemorrhage)