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Table 2 Comparing prescribing patterns before and after guideline convergence

From: Impact of recent guideline changes on aspirin prescribing after knee arthroplasty

Class of VTEP agent

Pre-period POD1 n (%)

Post-period POD1 n (%)

p value

Pre-period discharge n (%)

Post-period discharge n (%)

p value

ASA monotherapya

7 (4.64)

79 (44.38)

<0.0001

21 (13.91)

99 (55.62)

<0.0001

All other agents

144 (95.36)

99 (55.62)

130 (86.09)

79 (44.38)

 LMWHb

32 (21.19)

10 (5.62)

 

26 (17.22)

13 (7.30)

 

 Vitamin K antagonist

57 (37.75)

31 (17.42)

64 (42.38)

35 (19.66)

 Xa inhibitorsc

44 (29.14)

36 (20.22)

35 (23.18)

20 (11.24)

 Combinationd

11 (7.28)

20 (11.24)

5 (3.31)

11 (6.18)

 LDUH 5000 U TID

0 (0)

2 (1.12)

0 (0)

0 (0)

  1. aIncludes ASA325 BID, ASA325 BID + clopidogrel
  2. bIncludes enoxaparin 40 mg/day, enoxaparin 30 mg/day, enoxaparin 30 mg BID
  3. cIncludes fondaparinux, rivaroxaban, apixaban
  4. dIncludes Xa inhibitor + ASA81, warfarin + Xa inhibitor, warfarin + ASA81, warfarin + clopidogrel, warfarin + ASA325 + clopidogrel, ASA325BID + Xa inhibitor, warfarin + enoxaparin, ASA325 + enoxaparin