'a significant indication' is correct and usable in written English.
You can use it to refer to something that suggests something important or significant. For example: The slowing rate of sales is a significant indication that the company needs to take action to boost revenues.
Still, supporters and detractors of the project said the vote -- six members in favor, one against, with one abstention and the chairman of the council not voting -- was a significant indication that the council has warmed to the notion of the cable.
WASHINGTON — In a significant indication of where the Army anticipates it will be deployed over coming years, and what it will be doing there, the service is planning to relocate some of its vast overseas stores of combat equipment and alter the contents of other warehouse stocks to reflect the changing nature of the mission after the wars in Iraq and Afghanistan.
The segments jump is a significant indication of an increase in business spending as the economy makes its way out of the worst recession since World War II.
Retention of inner lumen diameter at two weeks is a significant indication of lowered stenosis risks.
Of the three neutrality tests employed, only the Fs test showed a significant indication of an expansion (Table 3).
1179 single-read GSS sequences and 502 EST contigs yielded matches with E values better than e-5, which were considered a significant indication of a coding sequence.
Two of these proteins were verified in a separate patient cohort: values of CRP and LRG1 combined gave a highly significant indication of extended survival post one week of radiotherapy treatment.
With a more severe viscosity loss, e.g. 90% or worse, these signals give a statistically significant indication of loss of polymer viscosity in all of the cases.
Of the 16 variables in the medical charts and birth registries for which there was a statistically significant indication of biased errors, 11 were of the type that made the clinicians' performance or the clinical outcomes seem better than they actually were and five were of the type that made them look worse (71% vs 29%, p=0.143).
The quality of such assumption is presented in Figure 9, which shows the distribution of the proportionality constants β and the corresponding coefficient of determination R 2. For eight of nine testers the R 2 value is above 0.9 indicating good linear regression, for one tester it is somewhat greater than 0.8, a weaker, but still significant indication of linearity.
Analysis of nasal lavage gave a slight but not significant indication of neurogenic inflammation.
