Table 4 Correlation matrix between numeric variables using Spearman correlation test
Age | CRP | Length of stay (days) | Lymphocytic count | Ct of S gene | Ct of ORF gene | Ct of N gene | |
|---|---|---|---|---|---|---|---|
Age | 1 | ||||||
C-reactive protein | r = 0.213* p-value < 0.001 | 1 | |||||
Length of stay | r = 0.147* p-value < 0.001 | r = 0.277* p-value < 0.001 | 1 | ||||
Lymphocytic count | r = − 0.130* p-value = 0.003 | r = − 0.505* p-value < 0.001 | r = − 0.218* p-value < 0.001 | 1 | |||
Ct of S gene | r = − 0.161* p-value < 0.001 | r = − 0.301* p-value < 0.001 | r = − 0.294* p-value < 0.001 | r = 0.197* p-value < 0.001 | 1 | ||
Ct of ORF gene | r = − 0.212* p-value < 0.001 | r = − 0.294* p-value < 0.001 | r = − 0.366* p-value < 0.001 | r = 0.209* p-value < 0.001 | r = 0.698* p-value < 0.001 | 1 | |
Ct of N gene | r = − 0.194* p-value < 0.001 | r = − 0.297* p-value < 0.001 | r = 0.688* p-value < 0.001 | r = 0.239* p-value < 0.001 | r = 0.687* p-value < 0.001 | r = 0.752* p-value < 0.001 | 1 |