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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Psychosom Med. 2022 Jan 1;84(1):97–103. doi: 10.1097/PSY.0000000000001017

Table 1.

Baseline characteristics of patients with bipolar disorder and the reference group.

All
n=35,614
n (%) or Mean (SD)
Reference Group
n=35,326
n (%) or Mean (SD)
Bipolar Disorder
n=288
n (%) or Mean (SD)
Between-Group Comparison
P-value
Age (years) 49.8 (13.2) 49.8 (13.3) 47.7 (10.9) .001
Male 16,435(46.1%) 16,311 (46.1%) 124 (43.1%) .29
European Ancestry 33,013 (92.7%) 32,742 (92.7%) 271 (94.1%) .014
BMI 28.03 (6.3) 28.02 (6.3) 29.7 (7.8) .002
HTN History 6,157 (17.3%) 6,095 (17.3%) 62 (21.5%) <.001
Total Cholesterol 203.8 (39.2) 203.8 (39.2) 207.9 (41.7) .093
HDL 53.3 (15.5) 53.3 (15.4) 51.6 (16.5) .034
Current Smoking 5,453 (15.3%) 5,361 (15.2%) 92 (31.9%) <.001
DM History 3,648 (10.2%) 3,606 (10.2%) 42 (14.6%) .021
COPD History 1,637(4.6%) 1,622(4.6%) 15 (5.2%) .084
CKD History 1,517(4.3%) 1,502(4.3%) 15 (5.2%) .042
Creatinine (mg/dL) 1.05 (0.42) 1.05 (0.43) 1.06 (0.32) .57
AUD 1,605 (4.5%) 1,539 (4.4%) 66 (22.9%) <.001
SUD 569 (1.6%) 535 (1.5%) 34 (11.8%) <.001
Charlson Comorbidity Index 0.30 (0.85) 0.30 (0.84) 0.45 (1.09) <.001

N- Number; SD- Standard Deviation; BMI- Body Mass Index; HTN- Hypertension; HDL- High Density Lipoprotein; DM- Diabetes Mellitus; COPD- Chronic Obstructive Pulmonary Disease; CKD- Chronic Kidney Disease; AUD- Alcohol Use Disorder; SUD- Substance Use Disorder