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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Dis Colon Rectum. 2016 Nov;59(11):1011–1018. doi: 10.1097/DCR.0000000000000688

Table 1.

Characteristics of hospitals offering RAS in 2010 and those that adopted RAS by 2012.

Hospital characteristic Offering RAS in 2010 on site
Adoption of RAS by 2012 (among those without technology in 2010)
N % n % Adjusted odds ratio (95% CI)
Overall 3,963 20.1 2,795 9.8 N/A
Organizational structure
 Government, nonfederal    911 10.1    743   4.2 0.56 (0.35 – 0.89)
 Nongovernment, nonprofit 2,402 25.4 1,635 11.6 1.00
 Investor    576 14.6    377 12.7 1.00 (0.65 – 1.53)
 Government, federal      74 10.8**      40 15.0** 0.60 (0.20 – 1.82)
Teaching hospital
 Yes    293 73.0      70 35.7 2.31 (1.20 – 4.45)
 No 3,670 15.8** 2,725   9.1** 1.00
Accredited by American
College of Surgeons
 Yes 1,284 48.3    596 24.7 1.14 (0.82 – 1.59)
 No 2,679   6.5** 2,199   5.8** 1.00
Electronic health record
 Yes (fully/partially implemented) 2,943 24.0 2,064 11.2 1.47 (0.94 – 2.31)
 No    546   5.9**    731   3.8** 1.00
 Missing 474 12.0
Oncology services
 Yes 2,368 32.2 1,440 16.2 1.14 (0.74 – 1.74)
 No 1,595   2.0** 1,355   3.0** 1.00
Diversity plan/program
 Yes 2,354 28.9 1,510 12.8 0.97 (0.68 – 1.43)
 No 1,226   7.1 1,018   5.1 1.00
 Missing    383   7.3**    267 10.9** 2.26 (1.23 – 4.16)
Medical/surgical ICU
 Yes 2,914 26.6 1,905 13.8 1.14 (0.56 – 2.31)
 No 1,049   1.9**    890   1.4** 1.00
Number of inpatient surgeries
 Q1 (0 – 87)    784   0.1    700   0.3 1.00
 Q2 (88 – 567)    816   0.5    698   1.6 2.76 (0.57 – 13.44)
 Q3 (568 – 1677)    854   5.2    699   8.2 7.74 (1.62 – 37.08)
 Q4 (1678+) 1,509 49.4** 698 29.2** 22.82 (4.65 – 111.95)
Part of network
 Yes 1,510 25.0 1,032 11.1 1.12 (0.83 – 1.50)
 No 2,453 17.0** 1,763   9.0 1.00
Core Based Statistical Area
 Division 547 36.8 282 20.6 1.23 (0.82 – 1.83)
 Metropolitan areas 1,735 32.1 1,013 16.5 1.00
 Micropolitan areas    715   4.8    623   6.9 0.62 (0.39 – 0.96)
 Rural areas    966   0.4**    877   0.7** 0.26 (0.10 – 0.68)
Region
 New England    162 26.5    100   7.0 0.61 (0.22 – 1.65)
 Mid Atlantic    341 31.1    209 12.9 0.74 (0.37 – 1.49)
 South Atlantic    583 26.1    363 13.2 1.39 (0.75 – 2.57)
 East North Central    637 22.5    447 10.5 1.16 (0.63 – 2.14)
 East South Central    350 16.0    255 11.4 2.51 (1.26 – 5.02)
 West North Central    575   9.7    489   4.1 1.00
 West South Central    632 13.5    492   9.8 1.60 (0.85 – 2.99)
 Mountain    291 20.3    207 10.6 2.50 (1.21 – 5.16)
 Pacific    383 24.8**    233 11.2** 1.05 (0.53 – 2.10)
Advanced imaging
 0 1,414   2.4 1,187   1.9 1.00
 1    884 10.9    698   9.6 1.99 (1.16 – 3.41)
 2    748 23.1    516 15.7 2.42 (1.39 – 4.19)
 3    430 40.9    233 24.0 3.38 (1.86 – 6.14)
 4    297 53.2    131 27.5 3.10 (1.61 – 5.97)
 5    190 83.2**      30 36.7** 4.38 (1.71 – 11.18)
Distance to nearest hospital with RAS (miles)
 Quartile 1    989*** 45.7**    699**** 21.0 1.00
 Quartile 2    987 20.4    697   8.5 0.96 (0.65 – 1.42)
 Quartile 3    988   9.9    701   5.3 1.06 (0.64 – 1.74)
 Quartile 4    988   4.4    698   4.4** 1.00 (0.59 – 1.73)
*

p<0.05;

**

p<0.001

New England: ME,NH,VT,MA,RI,CT; Mid Atlantic: NY,NJ,PA; South Atlantic: DE,MD,DC,VA,NC,SC,GA,FL; East North Central: OH,IN,IL,MI,WI; East South Central: KY,TN,AL,MS; West North Central: MN,IA,MO,ND,SD,NE,KS; West South Central: AR,LA,OK,TX; Mountain: MT,ID,WY,CO,NM,AZ,UT,NV; Pacific: WA,OR,CA,AK,HI; Associated areas: Marshall Islands, Puerto Rico, Virgin Islands, Guam, American Samoa, Northern Mariana Islands

***

Q1: 0 – 6.2; Q2: 6.3 – 25.0; Q3: 25.1 - 49.8; Q4: 49.9 miles

****

Q1: 0 - 13.1 ; Q2: 13.2 - 32.4 ; Q3: 32.5 - 57.3 ; Q4: 57.4+ miles