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Table 2 Study measurements between the study and control group for length of stay, pain measurements for the first 72 hours, and morphine equivalents for the first 72 hours

From: The effect of liposomal bupivacaine injection during total hip arthroplasty: a controlled cohort study

  Study Control t-test
Average Count Average Count  
Length of stay 1.93 27 2.47 30 0.050
Morphine      
  First 24 hours 24.00 27 53.35 30 0.000
  Second 24 hours 41.08 13 64.94 25 0.102
  Third 24 hours 39.58 6 48.77 13 0.651
Pain scores      
  First 24 hours 2.81 27 2.82 30 0.968
  Second 24 hours 3.27 12 3.29 25 0.964
  Third 24 hours 2.20 7 2.61 13 0.557