Table 5.
Patient characteristics and complication rates of groups L and S
| Total (n = 67) | Group L ≥28 Fr (n = 38) |
Group S <28 Fr (n = 28) |
P value | 95% CI | |
|---|---|---|---|---|---|
| Age (years old) | 55.5 ± 18.5 | 52.0 ± 17.2 | 61.4 ± 18.3 | 0.049 | 0.19–18.4 |
| Sex | |||||
| Male | 51 | 28 (54.9) | 23 (45.1) | } 0.42 | |
| Female | 16 | 10 (62.5) | 5 (31.3) | ||
| BSA (m2) | 1.62 ± 0.15 | 1.65 ± 0.16 | 1.58 ± 0.12 | 0.063 | -0.009–0.15 |
| BMI | 22.1 ± 3.08 | 22.5 ± 3.32 | 21.5 ± 2.61 | 0.24 | -0.72–2.61 |
| RTS | 6.24 ± 2.48 | 6.33 ± 2.24 | 6.35 ± 2.55 | 0.97 | -1.18–1.23 |
| ISS | 29.2 ± 14.0 | 30.1 ± 14.6 | 27.4 ± 12.9 | 0.47 | -4.66–1 |
| Chest AIS | 3.90 ± 0.66 | 3.89 ± 0.61 | 3.92 ± 0.74 | 0.88 | -0.32–0.38 |
| Initial indication for chest tube | |||||
| Pneumothorax | 24 | 12 (50) | 12 (50) | ||
| Hemothorax | 7 | 3 (42.9) | 4 (57.1) | } 0.36 | |
| Hemopneumothorax | 36 | 23 (63.9) | 12 (33.3) | ||
| Respiratory status | |||||
| Intubated | 37 | 22 (59.5) | 14 (37.8) | } 0.52 | |
| Not-intubated | 30 | 16 (53.3) | 14 (46.7) | ||
| Mechanism of injury | |||||
| Blunt | 64 | 36 (56.3) | 27 (42.2) | } 0.79 | |
| Penetrating | 3 | 2 (66.7) | 1 (33.3) | ||
| Duration of tube placement (days) | 6.5±3.48 | 7.2 ± 4.09 | 5.55 ± 2.06 | 0.067 | -0.28–3.60 |
| Need for additional drain | 18 (26.9) | 10 (26.3) | 8 (28.6) | 0.88 | |
| Cause of additional drainage | |||||
| Residual HTX/PTX/HPTX | 15 (22.4) | 8 (21.1) | 7 (25) | 0.76 | |
| Inadequate placement | 3 (4.48) | 2 (5.26) | 1 (3.57) | 1 | |
| Hospital stay (days) | 19.3 ± 23.0 | 22.8 ± 28.4 | 15.2 ± 11.4 | 0.15 | -4.15–19.3 |
CI, confidence interval; BSA, body surface area; BMI, body mass index; RTS, Revised Trauma Score; ISS, Injury Severity Score; AIS, Abbreviated Injury Scale; PTX, pneumothorax; HTX, hemothorax; HPTX, hemopneumothorax.
Values are shown as mean ± S.D. or number (%).