The phrase "a lesser difference" is correct and usable in written English.
It can be used when comparing two differences, indicating that one is smaller or less significant than the other.
Example: "While both options have their merits, the second choice presents a lesser difference in cost compared to the first."
Alternatives: "a smaller difference" or "a minor difference".
A lesser difference between non-combustion and combustion tests for the first longitudinal mode was found although the damping rates during combustion tests were still higher.
The respondents reported significantly weaker social support than other Chinese populations, albeit a lesser difference in subjective support [ 43].
This differential increase was most evident in premalignant Eμ-myc B-cells; the fully transformed Eμ-myc B-lymphoma cells exhibited a lesser difference.
Compared with IVC-FA, a lesser difference in venous oxygen return and attenuated differential hypoxia were observed with IVC-CA and FA-IJV.
Breen et al. (1997) reported mean probing differences ≥ 0.5 mm between pocket depth and attachment levels when these variables were recorded at the same sites with first and second generation probes and a lesser difference when the means of the measurements obtained with first and third generation probes were compared [ 53].
For systolic blood pressure, use of higher doses of ACEIs was associated with a statistically significant lesser difference in mean blood pressure reduction between whites and blacks (p = 0.048).
Despite the periosteal volume of the WEX group being almost identical to that of the CON group, when corrected to body weight the former was 6.7% greater than the latter; a similar but lesser difference was also present in endosteal volume.
A more significant, but lesser difference than for glucose, remains for the xylose yields as the milling time increases for the room temperature sample.
Transcripts showing a 1.5-fold greater or lesser difference in expression in Thellungiella harvested from the field compared to cabinet-grown controls or stress treated versus control cabinet-grown plants (P < 0.01) were converted to a ratio of the control, log10 transformed, then subjected to HCA.
The result means that if Manchester City win their game in hand against Aston Villa, they will return to the Premier League summit on goal difference, and should Rodgers' side miss out on the title due to a lesser goal difference, he will no doubt look to the Reds' leaking defence this season.
The difference in performance time between both tests (at 15 m and 30 m respectively) was used as an index of subject's ability to produce acceleration, i.e. lesser difference implies higher acceleration capacity.
