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Table 2 Unadjusted bivariate analyses of post-operative outcomes between clustered groups

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

Variable

Degrees of freedom

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

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

P-value

Total health care visits (post-op)

1217

96.99 (68.26)

76.99 (54.17)

<0.01

Total health care costs (post-op)

1217

$31,944.44 ($27,473.44)

$27,765.60 ($33,075.09)

0.02

Total hip-related visits (post-op)

1217

32.87 (28.90)

25.12 (23.49)

<0.01

Total hip-related costs (post-op)

1217

$16,888.09 ($15,522.37)

$14,153.19 ($18,670.25)

0.02

Total days’ supply of all pain-related medications

1217

1148.00 (1138.01)

885.34 (927.60)

<0.01

Cost of pain meds (post-op)

1217

$859.30 ($3682.92)

$680.55 ($3853.24)

0.44

  1. Bolded p-values reflect statistical significance <0.05. All analyses involve linear mixed effects modeling