In the STDRATE procedure, the METHOD= option specifies the standardization method, and the STAT= option specifies either rate or risk for standardization. Table 107.4 lists applicable confidence limits for different methods with standardized rate, rate SMR, standardized risk, and risk SMR.
Table 107.4: Applicable Confidence Limits for Standardized Rate and Risk Statistics
Confidence Limits 


Statistic 
METHOD= 
Normal 
Lognormal 
Gamma 
Poisson 

Rate 
DIRECT 
X 
X 
X 

MH 
X 
X 
X 

INDIRECT 
X 
X 
X 

Rate SMR 
INDIRECT 
X 
X 
X 

Risk 
DIRECT 
X 
X 

MH 
X 
X 

INDIRECT 
X 
X 
X 

Risk SMR 
INDIRECT 
X 
X 
X 
Table 107.5 lists applicable confidence limits for stratumspecific rate, rate SMR, risk, and risk SMR.
Table 107.5: Applicable Confidence Limits for Strata Rate and Risk Statistics
Confidence Limits 


Statistic 
Normal 
Lognormal 
Poisson 

Rate 
X 
X 
X 

Rate SMR 
X 
X 
X 

Risk 
X 
X 

Risk SMR 
X 
X 