Skip to main content
. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Surgery. 2013 Aug 23;154(6):1300–1306. doi: 10.1016/j.surg.2013.04.031

Table 6.

Patients with symptomatic versus asymptomatic hypocalcemia in the study group. BMI kg/m2, serum total calcium mg/dL (normal 8.5-10.5), 25-OH-Vitamin D ng/mL (normal 33-100), PTH pg/mL (normal 10-60)

Symptomatic (n=8) Asymptomatic (n=11) p-value
Age at thyroidectomy 43.8 (± 12.0) 54 (± 7.6) 0.11
Age at RYGBP 40.5 (± 12.1) 48.4 (± 8.0) 0.18
Operation interval (months) 39.6 (± 29.1) 62.1 (± 25.4) 0.08
Roux length 100 (± 23.8) 106 (± 21.9) 0.47
BMI at RYGBP 44.0 (± 5.9) 46.3 (± 6.6) 0.40
BMI at thyroidectomy 33.9 (± 5.8) 35.7 (± 9.1) 0.90
BMI change 10.0 (± 4.3) 10.6 (± 10.2) 0.78
Parathyroidectomy 2 (25%) 1 (9%) 0.55
Malignancy 6 (75%) 4 (36%) 0.17
Pre-op Calcium and vitamin D supplementation 1 (13%) 5 (46%) 0.18
Post-op calcium and vitamin D supplementation 8 (100%) 7 (64%) 0.10
Pre-op calcium 9.2 (± 0.5) 9.5 (± 0.7) 0.40
Pre-op vitamin D 33.8 (± 10.4) 26.6 (± 15.2) 0.44
Pre-op PTH 82.1 (± 34.9) 73.3 (± 17.5) 0.61
Post-op calcium 6.9 (± 0.3) 8.6 (± 0.7) < 0.01
Post-op vitamin D 24.3 (± 10.8) 24.6 (± 14.3) 1.00
Post-op PTH 34 (± 18.5) 70.7 (± 32.3) 0.04
6 month calcium 8.5 (± 0.5) 9.4 (± 0.5) < 0.01
6 month vitamin D 30.3 (± 9.7) 29.3 (± 16.0) 0.78
6 month PTH 36 (± 17.7) 49 (± 12.7) 0.40
LOS 3.6 (± 2.7) 1.1 (± 0.3) < 0.01