Impact of intragastric balloon on blood pressure reduction: A retrospective study in Eastern North Carolina

Table 1 Patient demographical information and comorbidities at baseline

Variables	Description	Frequency	Percent (%)
Race distribution	White	70	50.00
	Non-White	32	22.86
	Declined	38	27.14
Gender distribution	Male	21	15.00
	Female	119	85.00
Age (in year)	mean (SD)	45.56 (10.75)
Weight in lbs. (At baseline)	mean (SD)	231.61 (46.53)
Weight in lbs. (At 6-mo)	mean (SD)	203.88 (41.04)
Systolic blood pressure (At baseline)	Non-hypertensive (140 or less)	76	54.29
	Hypertensive (Greater than 140)	64	45.71
Systolic blood pressure (At 6-mo)	Non-hypertensive (140 or less)	110	78.57
	Hypertensive (Greater than 140)	30	21.43
Diastolic blood pressure (At baseline)	Non-hypertensive (90 or less)	123	87.86
	Hypertensive (Greater than 90)	17	12.14
Diastolic blood pressure (At 6-mo)	Non-hypertensive (90 or less)	125	89.29
	Hypertensive (Greater than 90)	15	10.71
Has hyperlipidemia	No	121	86.43
	Yes	18	12.86
	Missing	1	0.71
Has depression	No	97	69.29
	Yes	42	30.00
	Missing	1	0.71
Has CAD	No	136	97.14
	Yes	4	2.86
Has CVD	No	132	94.29
	Yes	8	5.71
Has OSA	No	115	82.14
	Yes	25	17.86
Has diabetes mellitus	No	110	78.57
	Yes	30	21.43

CAD: Coronary artery disease; CVD: Cardiovascular disease; OSA: Obstructive sleep apnea.

Table 2 t-test: Paired two sample for means

	Weight at baseline	Weight at 6-mo follow-up
Mean	231.61	203.88
t-stat	18.06
P value	0.0000

Table 3 Multiple regression showing the association between systolic and diastolic blood pressure and demographics and other comorbidities

	Systolic blood pressure (β)	Diastolic blood pressure (β)
Weight	0.1350b	0.0295
Age	0.5135b	0.1439
Gender
Female	-1.1118	-2.9830
Race (White)
Non-White	-0.9900	1.9809
Declined	0.9093	1.0592
DM	-1.0136	-3.8298
OSA	-1.4531	-0.7374
CVD	-5.5353	-2.4714
Hyperlipidemia	-1.4230	3.5368
CAD	14.9021	-0.4645
Depression	-2.3854	-0.9559

^bP < 0.01. CAD: Coronary artery disease; CVD: Cardiovascular disease; OSA: Obstructive sleep apnea.

Table 4 Logistic regression showing the association between systolic and diastolic blood pressure and demographics and other comorbidities at 6-mo post-implantation

	Systolic blood pressure (β)	Diastolic blood pressure (β)
Weight	0.0140b	0.0081
Age	0.0534b	0.0262
Gender
Female	0.0002	0.2519
Race (White)
Non-White	-0.3575	0.0558
Declined	0.1795	-0.3747
DM	-0.1462	-0.2354
OSA	-0.4340	-0.3993
CVD	-0.4240	0.3402
Hyperlipidemia	-0.0603	0.4243
CAD	0.3749	0.0000
Depression	-0.3549	-0.3365

^bP < 0.01. CAD: Coronary artery disease; CVD: Cardiovascular disease; OSA: Obstructive sleep apnea.