Her case was another example of “sub-optimal care” in that she should have been treated at a more specialist unit, he added.

Source: https://www.alloaadvertiser.com/news/national/23349932.nurse-tried-murder-baby-within-two-hours-birth-letby-trial-hears/?ref=rss

However, even when factoring in these advantages, VFH's total return is sub-optimal.

Source: https://seekingalpha.com/article/4654083-vfh-solid-choice-but-still-not-best-financial-sector-etf?source=feed_all_articles

One of the major challenges organisations face as they enter Nigeria is a lack of reliable consumer insights and market data—in turn, leading to sub-optimal sales, marketing and merchandising strategies.

Source: https://www.africa.com/addressing-the-information-gap-in-nigerias-durable-and-consumer-electronics-retail-market/

"With a lack of care for its soldiers’ mental health and fitness to fight, 's combat fighting effectiveness continues to operate at sub-optimal levels."

Source: https://www.express.co.uk/news/world/1822962/Putin-Russia-soldiers-Ukraine-war