'despite some variations' is correct and usable in written English.
You can use it to demonstrate a comparison or contrast between two things, such as: "Despite some variations in color, the two species of birds looked very similar."
Despite some variations, their exercise programs offer roughly the same things.
HOX complexes are well conserved in metazoans despite some variations in gene number.
Despite some variations, Gln was consumed in all media and occasionally Glu, Tyr, Ser, Phe, Val, and Met were also consumed.
Overall, the findings show that despite some variations, the demographic pattern and etiologic break-up of CKD is largely uniform throughout the country.
For these, we observed that a strong nuclear staining was readily observed in ductal cells in all cases, despite some variations within samples.
The inverse correlation was present in recordings from all hearts studied, despite some variations in the direction of the propagating wavefront over the epicardium between recordings and between hearts.
Despite some variation, the cladograms and phylograms produced quite similar results identifying distinct groups of boards.
Their consumption remains pretty stable, despite some variation in current income, because their overall prospects have changed little.
Despite some variation in method and interpretation (e.g., Gomulkiewicz et al. 2007; Hanifin et al. 2008), matching and mismatching in the phenotypic interface may roughly represent the potential for reciprocal selection.
Despite some variation in nurses' familiarity with research literature, nursing interventions found by research to be useful were given priority, and research affected daily practice through changes in guidelines and procedures.
Despite some variation in which states are at the top of the ranks, the share of deal and dollar volume raised by startups in the top three states is remarkably similar, coming in at between 52 and 53 percent for both metrics.
