A Dynamic Model for Imputing Missing Medical Data: A Multiobjective Particle Swarm Optimization Algorithm

Table 3

The percent of missing data in independent variables of gastric cancer data.

ID	Variable name	Missing		Valid N
		N	Percent
1	Hx of non-GI cancer	71	88.75	9
2	Type of other GI cancer	64	80.00	16
3	Hx of other GI cancer	64	80.00	16
4	Age at Dx of family GC	58	72.50	22
5	FH of gastric cancer	57	71.25	23
6	PMH	35	43.75	45
7	Age at diagnosis	4	5.00	76
8	Birth year	1	1.25	79