Table 2 Clinical outcomes classified by position of the tip of thoracic tube in the unweighted and weighted study populations
Unweighted study population | Weighted study population | |||||||
|---|---|---|---|---|---|---|---|---|
Lower position group (n = 41) | Upper position group (n = 46) | p value | SMD | Lower position group (n = 35.3) | Upper position group (n = 27.6) | p value | SMD | |
Composite outcome†, n (%) | 19 (46.3) | 25 (54.3) | 0.596 | 0.161 | 18.5 (52.3) | 19.0 (68.8) | 0.286 | 0.343 |
Death during hospitalization, n (%) | 4 (9.8) | 2 (4.3) | 0.569 | 0.212 | 3.0 (8.4) | 1.0 (3.6) | 0.435 | 0.205 |
Surgery, n (%) | 8 (19.5) | 12 (26.1) | 0.637 | 0.157 | 11.9 (33.8) | 7.4 (26.7) | 0.648 | 0.155 |
Additional chest tube insertion, n (%) | 10 (24.4) | 13 (28.3) | 0.869 | 0.088 | 8.0 (22.6) | 12.5 (45.3) | 0.128 | 0.494 |