TABLE 2.

Characteristics of cases with mild versus moderate to severe monkeypox disease

Characteristic	No. (%) of:		P value
	Moderate to severe cases (n = 18)	Mild cases (n = 12)
Previous smallpox vaccination
Yes	1 (9.09)	5 (27.78)
No	10 (90.91)	13 (72.22)	0.3623b
Missing	1
Sexa
Male	6 (50.00)	7 (38.89)
Female	6 (50.00)	11 (61.11)	0.5474
Age (yr)
<31	9 (75.00)	10 (55.56)
≥31	3 (25.00)	8 (44.44)	0.4425b
IgM (≤4 wk post-rash)
Low (<0.1533)	4 (50.00)	6 (46.15)
High (≥0.1533)	4 (50.00)	7 (53.85)	1b
Missing	4		5
IgG (≤4 wk post-rash)
Low (<0.62)	6 (75.00)	6 (46.15)
High (≥0.62)	2 (25.00)	7 (53.85)	0.3666b
Missing	4		5
CD4
Low (<0.04)	4 (50.00)	3 (33.33)
High (≥0.04)	4 (50.00)	6 (66.67)	0.6372b
Missing	4		9
CD8
Low (<0.21)	2 (25.00)	4 (44.44)
High (≥0.21)	6 (75.00)	5 (55.56)	0.6199b
Missing	4		9
Memory B cells
Low (<0.27954)	6 (66.67)	5 (41.67)
High (≥0.27954)	3 (33.33)	7 (58.33)	0.387b
Missing	3		6

^aChi-square test result was 0.3620 (1 df).

^bExact test P value.