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. Author manuscript; available in PMC: 2019 Jun 12.
Published in final edited form as: Ann Surg. 2017 Oct;266(4):632–640. doi: 10.1097/SLA.0000000000002370

Table 4.

Likelihood of referral to endocrinology after evaluation of calcium and PTH is less likely in men, and in patients with co-morbidities.

Demographics Endocrinology
consultation
(N=385)
No endocrinology
consultation
(N=2,815)
p-value
Age in years (mean ± SD) 62.0 +/− 13.6 60.6 +/− 15.2 0.0800
Age Group 0.1679
 1. <=35 years old 20 ( 5.2) 189 ( 6.7)
 2. 36 to 45 years old 22 ( 5.7) 220 ( 7.8)
 3. 46 to 55 years old 62 (16.1) 534 (19.0)
 4. 56 to 65 years old 117 (30.4) 790 (28.1)
 5. 66 to 75 years old 104 (27.0) 639 (22.7)
 6. 76 to 85 years old 50 (13.0) 343 (12.2)
 7. >85 years old 10 ( 2.6) 100 ( 3.6)
Gender <.0001
 Female 310 (80.5) 1864 (66.2)
 Male 75 (19.5) 951 (33.8)
Race/Ethnicity 0.4534
 1. White 224 (58.2) 1594 (56.6)
 2. Black 156 (40.5) 1158 (41.1)
 3. Other 5 ( 1.3) 63 ( 2.2)
Insurance 0.5196
 1. Commercial 243 (63.1) 1771 (62.9)
 2. Medicare 114 (29.6) 884 (31.4)
 3. Medicaid 23 ( 6.0) 123 ( 4.4)
 4. Other/Uninsured/Unknown 5 ( 1.3) 37 ( 1.3)
Encounter Type <.0001
 1. Outpatient 340 (88.3) 2043 (72.6)
 2. Inpatient 25 ( 6.5) 547 (19.4)
 3. ER 17 ( 4.4) 130 ( 4.6)
Any Comorbidity <.0001
 No 137 (35.6) 642 (22.8)
 Yes 248 (64.4) 2173 (77.2)
Kidney Stone 16 ( 4.2) 104 ( 3.7) 0.6549
Fracture 12 ( 3.1) 204 ( 7.2) 0.0024
Osteoporosis 29 ( 7.5) 273 ( 9.7) 0.1728
Year of Index Calcium 0.008
2011 106 (27.5) 594 (21.1)
2012 77 (20.0) 541 (19.2)
2013 75 (19.5) 500 (17.8)
2014 58 (15.1) 552 (19.6)
2015 69 (17.9) 628 (22.3)