SAS Output #1 Source DF Sum of Squares Mean Square F Value Pr > F Model 2 25532.16667 12766.08333 75.54 F CCVI_Category 2 25532.16667 12766.08333

SAS Output #1 Source DF Sum of Squares Mean Square F Value Pr > F Model 2 25532.16667 12766.08333 75.54 <.0001 Error 74 12505.83333 168.99775 Corrected Total 76 38038.00000 R-Square Coeff Var Root MSE hosp_admission Mean 0.671228 34.21030 12.99991 38.00000 Source DF Type III SS Mean Square F Value Pr > F CCVI_Category 2 25532.16667 12766.08333 75.54 <.0001 Parameter Estimate Standard Error t Value Pr > |t| Intercept 58.50000000 B 2.54949277 22.95 <.0001 CCVI_Category 1 -16.83333333 B 3.67987584 -4.57 <.0001 CCVI_Category 2 -43.50000000 B 3.57198673 -12.18 <.0001 CCVI_Category 3 0.00000000 B . . 2 SAS Output #2 Source DF Sum of Squares Mean Square F Value Pr > F Model 11 27752.88983 2522.98998 15.94 <.0001 Error 65 10285.11017 158.23246 Corrected Total 76 38038.00000 R-Square Coeff Var Root MSE hosp_admission Mean 0.729610 33.10276 12.57905 38.00000 Source DF Type III SS Mean Square F Value Pr > F over65 3 812.43683 270.81228 1.71 0.1733 CCVI_Category 2 22036.96499 11018.48249 69.63 <.0001 over65*CCVI_Category 6 1535.85120 255.97520 1.62 0.1564 Parameter Estimate Standard Error t Value Pr > |t| Intercept 65.75000000 B 4.44736529 14.78 <.0001 over65 1 -15.91666667 B 6.79346270 -2.34 0.0222 over65 2 -7.87500000 B 6.28952431 -1.25 0.2150 over65 3 -7.50000000 B 7.70306264 -0.97 0.3338