Years Old

Population at Risk

ObservedIncidence Rateper 106 Individuals

ObservedCancer Cases

Predicted Cancer Cases 2-Stage Model

Predicted Cancer Cases 3-Stage Model

0

11,687,938

2.584

302

300

294

1

11,437,360

1.478

169

164

76

2

11,347,783

1.084

123

113

55

3

11,344,946

0.582

66

67

38

4

11,388,462

0.220

25

32

29

5

11,403,795

0.114

13

16

28

6

11,365,139

0.079

9

9

30

7

11,430,904

0.044

5

4

37

8

11,215,416

0.027

3

3

48

9

11,650,697

0.026

3

2

58

10

11,773,403

0.025

3

1

68

Table 1: Retinoblastoma Incidence SEER Data (1973-2007) from NCI/NIH.