"worthwhile improvement" is correct and commonly used in written English.
It refers to a change or modification that is beneficial, valuable, or worthwhile. Example: The new software update has brought about some worthwhile improvements to the app's functionality and user experience.
In fact, of the 338 patients who experienced any seizure recurrence, 163 (48%) were seizure-free by last follow-up (Engel I), 78 (23%) were significantly improved (Engel II), 672020%) had no worthwhile improvement (Engel III) and 30 (9%) were worse off (Engel IV).
However, you may need a mid-range card to see a worthwhile improvement.
The pace of trade liberalisation and deregulation, which helped productivity growth in the 1990s, has also slowed, if it has not reversed.If labour productivity growth in the non-farm business sector is 2%, that would still be a worthwhile improvement on previous decades.
At the time of most recent follow-up, 93 months postoperatively, he is still experiencing seizures with overall worthwhile improvement while on seizure medication.
Notably the BER reduction for SNR = 20 dB is of an order of a magnitude which consists of a worthwhile improvement for this small scale MIMO system.
Performance testing on the Buffalo bridges revealed no outstanding issues, but prolonged testing showed that upgrading to 802.11n provides a worthwhile improvement for frame rates.
Given the high cost of developing engine technologies like turbocharging and direct fuel injection, working to improve tires can deliver worthwhile improvements for relatively small investments.
Across the board, the 2012 Camry offers worthwhile improvements to its predecessor, especially with the price.
All of these are worthwhile improvements to what is not, after all, intended to be a cutting-edge system.
The recommendations we are making would deliver worthwhile improvements to these markets but more radical approaches, outside the remit of the OFT, need to be examined by the government if the fundamental and long-standing issues of lack of consumer power and limited supply are to be tackled".
The engine line-up has a deceptively familiar look to it, with similar capacities to before and the usual TDI and TSI badging, but worthwhile improvements in power and economy – not least because Volkswagen has decided to offer fuel-saving stop/start technology across the range.
