The phrase "after a preliminary analysis" is correct and usable in written English.
You can use it when referring to the initial examination or assessment of data or information before drawing conclusions or making decisions.
Example: "After a preliminary analysis, we found several key trends that warrant further investigation."
Alternatives: "following an initial assessment" or "after an initial review".
The Eli Lilly & Company, the pharmaceutical company, stopped a study of its Xigris sepsis drug for children earlier this month after a preliminary analysis showed the medicine did not work and might increase the risk of bleeding.
In this study after a preliminary analysis we found that E-state indices and just counts of atom and bond types defining E-state indices produced similar results.
After a preliminary analysis, we split the data into two periods: from 2000 to 2005 (period 1) and from 2006 to 2011 (period 2) mainly because of two reasons.
Thus, after a preliminary analysis of the collected data, I verified the existence of patterned strategic activities by gathering data through direct on-site observations in ten incumbent funeral homes in Berlin (Calori 2002).
These kinases were excluded from the dataset after a preliminary analysis showed that they had too few shared activities to be able to compare SAR similarities of kinases accurately.
In April 2006, Glaxo halted a final-stage trial in 392 breast cancer patients who had failed Herceptin, after a preliminary analysis found that who got Tykerb combined with chemotherapy had slower disease progression than those on chemo alone.
After each interview a preliminary analysis was performed to allow the follow up of emerging issues to be included in subsequent interviews.
LONDON--The universe may not be younger than its oldest stars after all, according to a preliminary analysis of satellite data on star positions.
The warning comes less than a day after the Congressional Budget Office issued a preliminary analysis, commissioned by Democrats, of a proposal that looks like what Republican leaders are discussing.
A preliminary analysis after the third survey suggested that some participants desired more research opportunities.
In a preliminary analysis, after five years of follow up that included only women, an association between MS and CV events was observed.
