"counts significantly" is correct and usable in written English.
You can use it when referring to quantities or measurements that make a significant difference between two or more things. For example, "The addition of two extra votes counts significantly in this election."
Coliforms and E. coli counts significantly decrease over time after freezing.
In refrigerated raw milk, mesophile, psychrotroph, and coliform counts significantly increased over 96 h post-collection, whereas the other groups and bacteria species tested maintained their initial concentration.
The hematocrit, RBC count, and absolute nucleated RBC counts were significantly higher and the platelet counts significantly lower in the polycythemic group.
Higher object counts significantly degrade CPU throughput.
Misconception counts significantly decreased from pre to post-test for all 6 target misconceptions.
However, higher eosinophil counts significantly predicted decreased GI parasite infection intensity (Table 2).
It has a gag-a-minute count that matches the former and a tweeness count significantly lower than the latter.
It follows two seasons where a few female models featured in the men's show but upped the womenswear count significantly.
Be aware that the fluorescent lights in the spectrograph room will elevate the dark count significantly for about an hour after they are turned off.
One major influence was the commedia dell'arte, in which words count significantly less than gestures, a theatre linked to the actor, who brings his own routines with him.
For Zynga, the growth in paying users was no doubt aided by its launches and traffic growth during the quarter — as I noted earlier today, the company has managed to increase its daily active user count significantly in recent months.
