'comparatively effective in' is correct and can be used in written English.
This phrase is used to compare the effectiveness of two or more things. For example, "The new system is comparatively effective in reducing paper waste compared to the old system."
This drug is comparatively effective, but it has a high incidence of adverse effects, in particular because lithium has a narrow therapeutic window.
In the assessment of the effectiveness and efficiency of a health service, the GDPHE:reduced CMR ratio compliments survival rate data but for England and Wales, these results show that the NHS is comparatively effective and efficient, delivering sustained improvement in cancer outcomes, which rivals other MDC.
The cell-based investigation demonstrated that some oxime derivatives were more or comparatively effective to the lead compounds, especially their selective and excellent antitumor activities towards K562 cells with no toxicity in normal cells.
It's comparatively easy for a company to respond to input of this type; Such direct and dynamic exchange between producers and consumers is also comparatively more effective in generating benefit for them both.
Partographs may be comparatively more effective in low-resource settings, as the studies from Africa and Mexico in the Lavender review [ 140], as well as data from Southeast Asia [ 146] that showed reduced Caesarean section rates with use of the partograph and early intervention for slow progress of labour.
From our study it cannot be deduced that the higher resource usage and higher fixed cost in mcH may also be comparatively cost-effective in terms of outcome improvement.
Comparatively, longitudinally divided excavation is more effective in protecting the left tunnel than soil improvement or a cut-off wall.
The R&R2MHP had a comparatively low dropout rate and was effective in a sample of high risk mentally disordered offenders requiring detention in high security.
The increase was attributed to improved operating profit performance and a comparatively lower effective tax rate in 2008.
Comparatively DDSA-TEPA was found to be most effective in reducing the viscosity and improving the penetration property.
