Lymphopenia Sever lung involvement (>50%) N (%) Mean ± SD P-value
NO NO 210 (35.2%) 6.7 ± 4.4 0.000
NO YES 74 (12.4%) 8.2 ± 4.5
YES NO 172 (28.9%) 7.7 ± 4.3
YES YES 140 (23.5%) 9.3 ± 5.2