Table 5 Cost Difference Between Early (≤30 days) and Late (> 30 days) Readmission Events Stratified by Condition and Age

 All age groups

$4327.92 ($3902.73 – $4762.70)

< 0.0001

$4974.12 ($4388.94 – $5572.89)

< 0.0001

 18–39 years

$-1043.86 ($-3611.68 – $1879.17)

0.47

$-1211.50 ($-2944.96 – $1845.86)

0.37

 40–64 years

$3364 ($2604.52 – $4148.07)

< 0.0001

$1403.63 ($982.66 – $1874.51)

< 0.0001

  ≥ 65 years

$5044 ($4522.25 – $5571.34)

< 0.0001

$15,981.08 ($13,712.21 – $18,444.93)

< 0.0001

 All age groups

$6448.47 ($6260.52 – $6753.10)

< 0.0001

$8214.33 ($7805.49 – $8631.4)

< 0.0001

 18–39 years

$13,362.79 ($11,110.16 – $15,762.72)

< 0.0001

$20,035.9 ($15,401.37 – $25,548.43)

< 0.0001

 40–64 years

$ 7512.03 ($6969 – $8066.45)

< 0.0001

$4623.18 ($4157.55 – $5120.16)

< 0.0001

  ≥ 65 years

$ 5752.42 ($5481.69 – $6029.36)

< 0.0001

$16,461.36 ($15,275.93 – $17,711.23)

< 0.0001

 All age groups

$8856.43 ($8610.4 – $9109.65)

< 0.0001

$8027.16 ($7726.24 – $8338.59)

< 0.0001

 18–39 years

$12,745.66 ($11,419.96 – $14,122.99)

< 0.0001

$12,867.63 ($10,991.28 – $14,937.81)

< 0.0001

 40–64 years

$9890.97 ($9373.67 – $10,419.55)

< 0.0001

$6020.75 ($5523.78 – $6553)

< 0.0001

  ≥ 65 years

$8228.76 ($7944.76 – $8518.59)

< 0.0001

$12,622.84 ($11,880.55 – $13,385.01)

< 0.0001

 All age groups

$8390.38 ($8148.52 – $8633.39)

< 0.0001

$6642.03 ($6391.26 – $6901.31)

< 0.0001

 40–64 years

$7754.06 ($7283.05 – $8229.44)

< 0.0001

$5107.02 ($4664.35 – $5562.89)

< 0.0001

  ≥ 65 years

$7751.64 ($7464.94 – $8039.25)

< 0.0001

$10,728.7 ($10,074.03 – $11,410.21)

< 0.0001