The phrase "a concomitant reduction in" is correct and usable in written English.
It can be used when discussing a simultaneous decrease in one factor that occurs alongside a decrease in another factor.
Example: "The study found a concomitant reduction in both energy consumption and greenhouse gas emissions."
Alternatives: "an accompanying decrease in" or "a simultaneous reduction in".
They found that the aircraft consumed as much as 15percentt less fuel (with a concomitant reduction in carbon-dioxide output).
They found that the aircraft consumed as much as 15% less fuel (with a concomitant reduction in carbon-dioxide output).
Increased PAK1 phosphorylation was observed in HBMEC expressing cAc-Rac1 with a concomitant reduction in the phosphorylation of MLC.
The images also showed a concomitant reduction in platelet-derived microparticles on surfactant-coated disks, compared with uncoated disks.
In addition, modification by bismuth results in a concomitant reduction in the CO tolerance of the commercial catalyst.
MPL (TLR4-L), R-848 (TLR7/8-L), or cytosine-phosphate-guanine oligodeoxynucleotide (TLR9-L) induced a rapid and robust expansion of blood neutrophils, with a concomitant reduction in PBMCs.
Similarly, Western blot analyses showed a decrease of methyl-PP2A and an increase of demethyl-PP2A with a concomitant reduction in the methyl/demethyl PP2A ratio in both PSP (74%) and AD (76%) brains.
This combination leads to a significant improvement in cardiac function, with a concomitant reduction in right and left ventricular filling pressures and augmentation of cardiac output.
Inhibition of Hh signaling results in G0/G1 arrest with a concomitant reduction in S-phase and G2/M population in myogenic progenitors.
Restraint stress resulted in an immediate increase in wakefulness with a concomitant reduction in NREM sleep and REM sleep in both genotypes, followed by a homeostatic rebound sleep.
Deschloro-induced ICLs were detected under hypoxic cell-free conditions, with a concomitant reduction in the induction of DNA strand breaks.
