Table 3 The result of two-piecewise linear regression model
From: The relationship between SARS-COV-2 RNA positive duration and the risk of recurrent positive
OR (95% CI) | P value | |
|---|---|---|
Fitting model by standard linear regression | 1.05 (1.02–1.08) | 0.001 |
Fitting model by two-piecewise linear regression | ||
Inflection point of virus positive duration (day) | 8 | - |
< 8 | 1.35 (0.83–2.19) | 0.228 |
≥ 8 | 1.04 (1.02–1.07) | 0.002 |
P for log likelihood ratio test | - | 0.286 |