Stages at warfarin clinic

Pre intervention (Phase 1)

Mean time in mins (SD)

Post intervention (Phase 2)

Mean time in mins (SD)

P value

A. Patient reaches venepuncture (to) blood sample taken

(standard: <30 mins)

38.3 (19.3)

26.2 (11.4)

<0.001

B. Blood taken (to) blood arrive at laboratory

(standard: <15 mins)

29.1 (13.9)

Not applicable

(POCT device used)

C. Blood sample arrive at laboratory (to) INR results ready

(standard: <60 mins)

27.8 (10.3)

Not applicable (POCT device used)

D. INR result ready (to) patient seen by:

1. Pharmacist

(standard: <30 mins)

44.2 (24.5)

14.0 (6.1)

0.30

2. Doctor

(standard: <30 mins)

58.7 (25.2)

35.1 (22.1)

<0.001

E. Patient seen by pharmacist (to) pt seen by doctor

24.0 (9.6)

26.8 (10.4)

0.29

F. Patient seen by doctor (to) pharmacist receive prescription

36.7 (23.8)

31.9 (20.9)

<0.001

G. Pharmacist receive prescription (to) warfarin dispensed

(standard: <30 mins)

16.3 (7.2)

15.7 (6.8)

<0.001

Total Waiting Time

Less than 180 mins

21.6%

96.7%