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Table 1 Comparative analyses between clustered groups (baseline) N = 1219

From: Post-operative opioid pain management patterns for patients who receive hip surgery

Variable

Group 1 short-term duration, higher total days’ supply N = 850

Group 2 long-term duration, lower total days’ supply N = 369

P-value

aPre-op opioid prescription

765 = yes

351 = yes

<0.01

72 = no

14 = no

13 = missing

4 = missing

aSex

471 = male

213 = male

0.46

379 = female

156 = female

 Age

31.38 (7.83)

32.44 (7.98)

0.03

aMilitary service branch

389 = Army

149 = Army

0.07

13 = Coast Guard

5 = Coast Guard

197 = Air Force

110 = Air Force

110 = Marines

35 = Marines

139 = Navy

68 = Navy

2 = Other

2 = Other

aOfficer/enlisted

687 = enlisted

346 = enlisted

0.04

163 = officer

23 = officer

aHip surgery type

767 = closed

430 = closed

0.64

83 = open

26 = open

 Network or MHS

475 = MHS

194 = MHS

0.28

375 = network

175 = network

Number of opioid prescriptions

 Pre-op

3.19 (4.43)

2.18 (1.85)

<0.01

 Post-op

7.39 (2.21)

2.21 (1.95)

<0.01

 Last recorded opioid prescription (days from surgery)

38.71 (52.91)

406.24 (152.61)

<0.01

aArthropathy (pre-op)

573 = no

243 = no

0.59

277 = yes

126 = yes

aMetabolic disorders (pre-op)

754 = no

344 = no

0.02

96 = yes

25 = yes

aSubstance abuse (pre-op)

707 = no

319 = no

0.15

143 = yes

50 = yes

aCardiac problems (pre-op)

784 = no

339 = no

0.83

66 = yes

30 = yes

aInsomnia (pre-op)

794 = no

352 = no

0.26

53 = yes

17 = yes

aHeavy pre-op health utilizers

380 = no

212 = no

<0.01

467 = yes

157 = yes

  1. aRepresents use of chi-square analyses. All continuous analyses used linear mixed effects modeling