Table 2. Association of resolution rate with variables by multiple linear regression analysis (R2 =0.407).
Variables | β ± SE | Partial R2 | P value |
---|---|---|---|
Treatment (room air =0, O2 =1) | 1.129±0.314 | 0.070225 | <0.001 |
Initial pneumothorax size (%) | 0.120±0.019 | 0.189225 | <0.001 |
Interval between radiographs (days) | −0.426±0.078 | 0.148225 | <0.001 |