What's Elmhurst hospital's first major difference? It is located in a western suburb of Chicago! The city has a population of 46,387. Income per capita is $44,601 compared to Utica's of $17,897, further the median Elmhurst household income is $122,890 and Utica is $31,173). Interesting Elmhurst second largest employer is a company called Superior Ambulance Service, which employees 1,425 people. Median home value is $381,200.
This city and its hospital are part of "Chicagoland", estimated population of 9.4 million people, the 3rd largest metro area in the United States. It's one of the world’s largest and most diversified economies, with more than four million employees, generating over $561 billion in economic output, and the region is home to more than 400 major corporate headquarters, including 31 in the Fortune 500. [Ref]
Also note, 7.5 miles to the north of Elmhurst is "O'Hare airport", the busiest airport in the world by based on takeoffs and landings in 2014
Maybe this hospital was looked at because it used lots of red bricks? Have a look at Elmhurst Hospital Main Campus website. Features 259 private "inpatient suites" on a 60 acre parcel. Use Google maps to look at the surroundings of 155 East Brush Hill Road, Elmhurst, IL 60126.
In Utica that suggest a hospital downtown would increase foot traffic. Say a walk to a bakery or a 10 to 15 minute walk to a cafe, or for a Utica Coffee Roaster's coffee? Yet, as one can see, Elmhurst Hospital Has An Embedded Starbucks!