Table II.
Frequency of different stem cell suspensions in forming tumors in the mice.
| MCF-7 cell suspensions | Stem cell number
|
SC frequency
|
||||||
|---|---|---|---|---|---|---|---|---|
| 106 | 105 | 104 | 103 | 102 | 50 | Estimate L | imits | |
| Scramble-E2 | 7/7 | 10/10 | 7/9 | 4/11 | 0/6 | 0/7 | 1:398.2 | 1:250a |
| Let-7c-E2 | 9/9 | 8/9 | 5/13 | 1/10 | 0/9 | 0/7 | 1:4,832.6 | 1:1,000 |
a
Matching analysis of the different ratios of two groups were performed by two-way repeated measures analysis of variance, and the matching results are statistically significant. F-value, 9.716; P-value, 0.0045.