Table 1. Tumor-initiating cell frequency of PDX models.

Model	Frequency	lower Frequency	upper Frequency
OCIP51	1:8	1:11	1:7
OCIP23	1:46	1:67	1:31
OCIP28	1:83	1:159	1:43
OCIP167	1:1,380	1:2,856	1:666
OCIP19	1:1,386	1:2,263	1:849
OCIP83	1:1,579	1:3,299	1:756
OCIP110	1:3,199	1:6,160	1:1,661
OCIP32	1:3,587	1:6,539	1:1,967
OCIP100	1:8,447	1:21,391	1:3,335
OCIP45	1:16,371	1:35,182	1:7,618
OCIP130	1:876,111	1:1,908,670	1:402,149