Table 3. Mean (SD) Charlson Comorbidity Index Scores for Age-, Sex-, and Race/Ethnicity-Matched Cohorts and Subgroups.

Cohort	Hidradenitis Suppurativa (n = 3818)	Psoriasis (n = 3818)	P Valuea	Control Group (n = 3818)	P Valueb
Overall	1.95 (2.96)	1.47 (2.43)	<.001	0.95 (1.99)	<.001
Sex
Male	2.27 (3.39)	1.59 (2.58)	<.001	1.16 (2.24)	<.001
Female	1.84 (2.77)	1.42 (2.37)	<.001	0.87 (1.88)	<.001
Race/ethnicity
White	1.79 (2.78)	1.31 (2.29)	<.001	0.87 (1.92)	<.001
African American	2.89 (3.59)	2.51 (3.06)	.06	1.52 (2.44)	<.001
Other	2.04 (3.16)	1.26 (2.16)	<.001	0.80 (1.67)	<.001
Age, y
18-29	0.59 (1.05)	0.46 (0.91)	.008	0.24 (0.65)	<.001
30-39	0.83 (1.28)	0.71 (1.30)	.004	0.44 (1.03)	<.001
40-49	1.55 (2.31)	1.07 (1.73)	<.001	0.61 (1.25)	<.001
50-59	2.61 (3.27)	1.92 (2.73)	<.001	1.13 (2.18)	<.001
60-69	3.82 (3.98)	2.66 (3.13)	<.001	1.84 (2.55)	<.001
70-79	4.62 (4.15)	3.94 (3.74)	.05	2.89 (3.58)	<.001
80-89	5.71 (4.23)	5.16 (3.87)	.34	4.61 (3.96)	.24

^aComparisons between patients with hidradenitis suppurativa and patients with psoriasis based on Wilcoxon signed-rank test.

^bComparisons between patients with hidradenitis suppurativa and control group based on Wilcoxon signed-rank test.