SUNBURST™ Study Demographics and Pain Baseline Characteristics
A total of 141 subjects had a baseline visit in this study, 100 of whom were randomized (45 to
receive tonic stimulation then burst stimulation [tonic/burst] and 55 to receive burst stimulation
then tonic stimulation [burst/tonic]). The following tables show subject demographics and primary
diagnosis. Pain duration, origin, and prior treatments are also shown, respectively.
Table 17. Demographics and primary diagnosis
Subjects with
Baseline Visit
(N=141)
Arm 1:
Tonic/Burst
(N=45)
Arm 2:
Burst/Tonic
(N=55)
Age
Mean ± SD
59.1±13.5
(141)
58.8±13.6
(45)
60.4±13.4
(55)
0.562
t
Minimum, Median,
Maximum
25.0, 60.0,
88.0
27.0, 62.0,
88.0
25.0, 61.0,
84.0
Gender, n/N (%)
Female
85/141
(60.3%)
26/45
(57.8%)
31/55
(56.4%)
0.887
c
Male
56/141
(39.7%)
19/45
(42.2%)
24/55
(43.6%)
Weight (lb)
Mean ± SD
191.7±48.0
(141)
189.0±42.8
(45)
195.31±47.1
(55)
0.509
t
Minimum, Median,
Maximum
85.0, 190.0,
350.0
85.0, 184.0,
340.0
113.0,
193.0, 289.0
Height (in)
Mean ± SD
66.7±4.4
(141)
66.2±4.4
(45)
66.8±4.4
(55)
0.502
t
Minimum, Median,
Maximum
55.0, 66.0,
79.1
57.0, 66.1,
73.0
55.0, 66.0,
76.0
Race, n/N (%)
Black or African American 3/141 (2.1%) 0/45 (0.0%) 1/55 (1.8%)
1.000
f
White
136/141
(96.5%)
45/45
(100.0%)
54/55
(98.2%)
Other 2/141 (1.4%) 0/45 (0.0%) 0/55 (0.0%)
Ethnicity, n/N (%)
Hispanic or Latino 2/141 (1.4%) 0/45 (0.0%) 0/55 (0.0%)
—
Non-Hispanic or Non-Latino
139/141
45/45
55/55