TABLE 6
False-Negative Rates for the 3 γ-Probes
Probe
No. of patients
False-negative rate (γ-detection)
χ
2
A
200
6.7% (4/58)
NS
B
200
11.1% (6/54)
NS
C
140
14.3% (4/28)
NS
NS = not statistically significant.