A Honor Society of Nursing (STTI) answered. The rate of incidence for pancreatitis each year in the United States is over 300,000 people. Roughly 200,000 people are hospitalized each year for treatment of acute pancreatitis.
As reported in Diabetes Technology & Management, recent research shows that smaller 8 millimeter (mm), 6 mm, and 4 mm needles are as effective, regardless of body mass. This makes insulin injections more acceptable and less painful than it was in the past.
The size refers to the maximum volume of insulin the syringe will hold; markings can differ with regard to the size of the syringe and the syringe manufacturer. Note that ReliOn states all of its 3/10 cc (0.3ml) insulin syringes have half scale/half unit markings.