| 1 | MCARBSA ;WISC/TJK,RCH-COMPUTE BODY SURFACE AREA .001*71.84*((WT/2.2)**.425*(HT*2.5)**.725) ;5/2/96  13:53 | 
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| 2 | ;;2.3;Medicine;;09/13/1996 | 
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| 3 | N BS | 
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| 4 | Q:'$D(^MCAR(691,DA,13))  S BS=^(13),WT=$P(BS,U,1),HT=$P(BS,U,2) | 
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| 5 | Q:(WT="")!(HT="")  D COMPUTE S $P(BS,U,3)=X,^MCAR(691,DA,13)=BS | 
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| 6 | A I $D(DJDN) S V(7)=X,DJVV=7 D EN^MCARDNJ1 K DJVV | 
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| 7 | Q | 
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| 8 | CATH S BS=^MCAR(691.1,DA,0),WT=$P(BS,U,7),HT=$P(BS,U,8) | 
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| 9 | Q:(WT="")!(HT="")  D COMPUTE S $P(BS,U,9)=X,^MCAR(691.1,DA,0)=BS K BS | 
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| 10 | B I $D(DJDN) S V(8)=X,DJVV=8 D EN^MCARDNJ1 K DJVV | 
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| 11 | Q | 
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| 12 | RISK S BS=^MCAR(694.5,DA,0),WT=$P(BS,U,7),HT=$P(BS,U,5) | 
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| 13 | D RISK1:(WT="")!(HT="") | 
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| 14 | Q:(WT="")!(HT="")  D COMPUTE S $P(BS,U,9)=X,^MCAR(694.5,DA,0)=BS K BS | 
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| 15 | Q | 
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| 16 | RISK1 I '$P(BS,U,5),$P(BS,U,6) S HT=$P(BS,U,6)/2.5,$P(BS,U,5)=HT | 
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| 17 | I '$P(BS,U,7),$P(BS,U,8) S WT=$P(BS,U,8)*2.2,$P(BS,U,7)=WT | 
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| 18 | Q | 
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| 19 | COMPUTE ; | 
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| 20 | S MCARX=WT/2.2 D LN S MCARX=MCARR*0.425 D EXP S MCARW=MCARR | 
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| 21 | S MCARX=HT*2.5 D LN S MCARX=MCARR*0.725 D EXP | 
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| 22 | S X=(0.0001)*(71.84)*(MCARW*MCARR),X=$J(X,4,2) K MCARR,MCARW,MCARX,WT,HT | 
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| 23 | Q | 
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| 24 | LN ; | 
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| 25 | S F=MCARX,(LN,D)=0 Q:MCARX'>0 | 
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| 26 | LN2 I F'<1 S F=.5*F,D=D+1 G LN2 | 
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| 27 | LN3 I F<.5 S F=2*F,D=D-1 G LN3 | 
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| 28 | S F=(F-.707107)/(F+.707107),LN=F*F | 
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| 29 | S LN=(((.598979*LN+.961471)*LN+2.88539)*F+D-.5)*.693147 | 
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| 30 | S MCARR=LN K LN,D,F Q | 
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| 31 | EXP ; | 
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| 32 | S X=MCARX,E=0,B=1.4427*X\1+1 Q:B>90 | 
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| 33 | S E=.693147*B-X,A=.00132988-(.000141316*E) | 
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| 34 | S A=((A*E-.00830136)*E+.0416574)*E | 
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| 35 | S E=(((A-.166665)*E+.5)*E-1)*E+1,A=2 | 
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| 36 | I B'>0 S A=.5,B=-B | 
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| 37 | F I=1:1:B S E=A*E | 
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| 38 | S MCARR=+E K A,B,I,E,X Q | 
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