Table 1:

Baseline characteristics for patients enrolled in the randomized clinical trial evaluating benefit of probe-based near infrared autofluorescence (NIRAF) detection during parathyroidectomy

	Overall	NIRAF (Intervention)	No NIRAF (Control)
Preoperative patient variables
Age (years)	58.3 ± 14.5	58.6 ± 14.6	59.8 ± 14.4
Sex
Male	35 (22)	18 (22)	17 (21)
Female	125 (78)	62 (78)	63 (79)
Race
White	147 (92)	73 (91.25)	74 (92.5)
Black	11 (7)	5 (6.25)	6 (7.5)
Asian	1 (0.5)	1 (1.25)	0 (0)
Other	1 (0.5)	1 (1.25)	0 (0)
Ethnicity
Non-Hispanic	159 (99)	79 (99)	80 (100)
Hispanic	1 (1)	1 (1)	0 (0)
BMI	30.85 ± 7.59	30.77 ± 7.52	30.94 ± 7.72
Diagnosis
Primary Sporadic HPT	143 (89)	72 (90)	71 (89)
Persistent HPT	12 (7)	3 (4)	9 (11)
Recurrent HPT	1 (1)	1 (1)	0 (0)
MEN1	2 (1)	2 (3)	0 (0)
Parathyroid carcinoma	1 (1)	1 (1)	0 (0)
Lithium induced HPT	1 (1)	1 (1)	0 (0)
Preoperative Calcium (mg/dL)	11.112 ± 0.712	11.115 ± 0.689	11.112 ± 0.712
Preoperative PTH (pg/mL)	157.9 ± 112.7	152.3 ± 79.8	163.6 ± 139.0
Preoperative Vitamin D	38.1 ± 18.2	36.7 ± 16.0	39.6 ± 20.5
Procedure by Intention
Focused	51 (32)	27 (34)	24 (30)
Bilateral	109 (68)	53 (66)	56 (70)

Continuous variables presented as mean ± standard deviation. Categorical or ordinal variables presented as number (percent of population); HPT, hyperparathyroidism; PTH, parathyroid hormone