| 
      dOT Cost=$434.64 + $19.01 per minute (includes anesthesia and surgery), eLOS Cost=$1,051 per non-ICU day
        |  | Approach | n | OT (min) | OT Costd | LOS    (days) | LOS Coste | INST Cost | Total    Cost | Cost    Difference |  
        | Unadjusted Cost Estimates | HAL | 419 | 204 | $4,312.68 | 3 | $3,153.00 | $596.21 | $8,061.89 | $1,567.43 |  
        | LAP | 83 | 149.8 | $3,282.34 | 2.95 | $3,100.45 | $197.74 | $6,580.53 | $86.06 |  
        | LESS | 55 | 150.4 | $3,293.74 | 2.34 | $2,459.34 | $741.38 | $6,494.46 | - |  
        | OT Sensitivity    Analysis | HAL | 419 | 121 | $2,734.85 | 3 | $3,153.00 | $596.21 | $6,484.06 | ($10.40) |  
        | LAP | 83 | 145 | $3,191.09 | 2.95 | $3,100.45 | $197.74 | $6,489.28 | ($5.18) |  
        | LESS | 55 | 150.4 | $3,293.74 | 2.34 | $2,459.34 | $741.38 | $6,494.46 | - |  
        | LOS Sensitivity    Analysis | HAL | 419 | 204 | $4,312.68 | 1.5 | $1,576.50 | $596.21 | $6,485.39 | ($9.07) |  
        | LAP | 83 | 149.8 | $3,282.34 | 2.86 | $3,005.86 | $197.74 | $6,485.94 | ($8.53) |  
        | LESS | 55 | 150.4 | $3,293.74 | 2.34 | $2,459.34 | $741.38 | $6,494.46 | - |  |