Clinical characteristics of patients treated by a modified pleural tent (m-tent group) or coverage with absorbable materials (coverage group)
| . | Modified pleural tent (n = 27) . | Coverage (n = 62) . | P-value . |
|---|---|---|---|
| Age (years) | 0.006 | ||
| Mean (range, SD) | 35.0 (16–85, 18.4) | 27.4 (13–79, 19.1) | |
| Gender (%) | 0.052 | ||
| Male | 27 (100) | 53 (86) | |
| Female | 0 (0) | 9 (15) | |
| Side (%) | 0.346 | ||
| Right | 11 (41) | 30 (48) | |
| Left | 16 (59) | 29 (47) | |
| Bilateral (simultaneous) | 0 (0) | 3 (5) | |
| Smoking status (pack-year) | 0.055 | ||
| Mean (range, SD) | 7.8 (0–60, 13.1) | 7.6 (0–129, 20.3) | |
| Type of pneumothoraxa (%) | 0.075 | ||
| Primary | 19 (70) | 54 (87) | |
| Secondary | 8 (30) | 8 (13) | |
| Treatment history (%) | 0.647 | ||
| None | 14 (52) | 28 (45) | |
| Underwent | 13 (48) | 34 (55) | |
| Ipsilateral | 7 (26) | 19 (31) | |
| Observation | 3 (11) | 6 (10) | |
| Drainage | 3 (11) | 13 (21) | |
| Operation | 1 (4) | 0 (0) | |
| Contralateral | 1 (4) | 8 (13) | |
| Observation | 0 (0) | 1 (2) | |
| Drainage | 0 (0) | 2 (3) | |
| Operation | 1 (4) | 5 (8) | |
| Bilateral | 5 (19) | 7 (11) | |
| Observation | 1 (4) | 0 (0) | |
| Drainage | 0 (0) | 3 (5) | |
| Operation | 4 (4) | 4 (7) | |
| Surgical indications (%) | 0.269 | ||
| Persistent air leak | 7 (26) | 27 (44) | |
| Ipsilateral recurrence | 12 (44) | 23 (37) | |
| Postoperative recurrence | 5 (19) | 4 (7) | |
| Contralateral recurrence | 1 (4) | 4 (7) | |
| Others | 7 (26) | 8 (13) | |
| Status of bullae (%) | <0.001 | ||
| Single | 0 (0) | 39 (63) | |
| Multiple or widespread | 27 (100) | 23 (37) |
| . | Modified pleural tent (n = 27) . | Coverage (n = 62) . | P-value . |
|---|---|---|---|
| Age (years) | 0.006 | ||
| Mean (range, SD) | 35.0 (16–85, 18.4) | 27.4 (13–79, 19.1) | |
| Gender (%) | 0.052 | ||
| Male | 27 (100) | 53 (86) | |
| Female | 0 (0) | 9 (15) | |
| Side (%) | 0.346 | ||
| Right | 11 (41) | 30 (48) | |
| Left | 16 (59) | 29 (47) | |
| Bilateral (simultaneous) | 0 (0) | 3 (5) | |
| Smoking status (pack-year) | 0.055 | ||
| Mean (range, SD) | 7.8 (0–60, 13.1) | 7.6 (0–129, 20.3) | |
| Type of pneumothoraxa (%) | 0.075 | ||
| Primary | 19 (70) | 54 (87) | |
| Secondary | 8 (30) | 8 (13) | |
| Treatment history (%) | 0.647 | ||
| None | 14 (52) | 28 (45) | |
| Underwent | 13 (48) | 34 (55) | |
| Ipsilateral | 7 (26) | 19 (31) | |
| Observation | 3 (11) | 6 (10) | |
| Drainage | 3 (11) | 13 (21) | |
| Operation | 1 (4) | 0 (0) | |
| Contralateral | 1 (4) | 8 (13) | |
| Observation | 0 (0) | 1 (2) | |
| Drainage | 0 (0) | 2 (3) | |
| Operation | 1 (4) | 5 (8) | |
| Bilateral | 5 (19) | 7 (11) | |
| Observation | 1 (4) | 0 (0) | |
| Drainage | 0 (0) | 3 (5) | |
| Operation | 4 (4) | 4 (7) | |
| Surgical indications (%) | 0.269 | ||
| Persistent air leak | 7 (26) | 27 (44) | |
| Ipsilateral recurrence | 12 (44) | 23 (37) | |
| Postoperative recurrence | 5 (19) | 4 (7) | |
| Contralateral recurrence | 1 (4) | 4 (7) | |
| Others | 7 (26) | 8 (13) | |
| Status of bullae (%) | <0.001 | ||
| Single | 0 (0) | 39 (63) | |
| Multiple or widespread | 27 (100) | 23 (37) |
SD: standard deviation.
aA primary spontaneous pneumothorax occurs without a precipitating event in the absence of clinical lung disease. In contrast, secondary spontaneous pneumothorax is defined as a pneumothorax that occurs as a complication of underlying lung disease.
Clinical characteristics of patients treated by a modified pleural tent (m-tent group) or coverage with absorbable materials (coverage group)
| . | Modified pleural tent (n = 27) . | Coverage (n = 62) . | P-value . |
|---|---|---|---|
| Age (years) | 0.006 | ||
| Mean (range, SD) | 35.0 (16–85, 18.4) | 27.4 (13–79, 19.1) | |
| Gender (%) | 0.052 | ||
| Male | 27 (100) | 53 (86) | |
| Female | 0 (0) | 9 (15) | |
| Side (%) | 0.346 | ||
| Right | 11 (41) | 30 (48) | |
| Left | 16 (59) | 29 (47) | |
| Bilateral (simultaneous) | 0 (0) | 3 (5) | |
| Smoking status (pack-year) | 0.055 | ||
| Mean (range, SD) | 7.8 (0–60, 13.1) | 7.6 (0–129, 20.3) | |
| Type of pneumothoraxa (%) | 0.075 | ||
| Primary | 19 (70) | 54 (87) | |
| Secondary | 8 (30) | 8 (13) | |
| Treatment history (%) | 0.647 | ||
| None | 14 (52) | 28 (45) | |
| Underwent | 13 (48) | 34 (55) | |
| Ipsilateral | 7 (26) | 19 (31) | |
| Observation | 3 (11) | 6 (10) | |
| Drainage | 3 (11) | 13 (21) | |
| Operation | 1 (4) | 0 (0) | |
| Contralateral | 1 (4) | 8 (13) | |
| Observation | 0 (0) | 1 (2) | |
| Drainage | 0 (0) | 2 (3) | |
| Operation | 1 (4) | 5 (8) | |
| Bilateral | 5 (19) | 7 (11) | |
| Observation | 1 (4) | 0 (0) | |
| Drainage | 0 (0) | 3 (5) | |
| Operation | 4 (4) | 4 (7) | |
| Surgical indications (%) | 0.269 | ||
| Persistent air leak | 7 (26) | 27 (44) | |
| Ipsilateral recurrence | 12 (44) | 23 (37) | |
| Postoperative recurrence | 5 (19) | 4 (7) | |
| Contralateral recurrence | 1 (4) | 4 (7) | |
| Others | 7 (26) | 8 (13) | |
| Status of bullae (%) | <0.001 | ||
| Single | 0 (0) | 39 (63) | |
| Multiple or widespread | 27 (100) | 23 (37) |
| . | Modified pleural tent (n = 27) . | Coverage (n = 62) . | P-value . |
|---|---|---|---|
| Age (years) | 0.006 | ||
| Mean (range, SD) | 35.0 (16–85, 18.4) | 27.4 (13–79, 19.1) | |
| Gender (%) | 0.052 | ||
| Male | 27 (100) | 53 (86) | |
| Female | 0 (0) | 9 (15) | |
| Side (%) | 0.346 | ||
| Right | 11 (41) | 30 (48) | |
| Left | 16 (59) | 29 (47) | |
| Bilateral (simultaneous) | 0 (0) | 3 (5) | |
| Smoking status (pack-year) | 0.055 | ||
| Mean (range, SD) | 7.8 (0–60, 13.1) | 7.6 (0–129, 20.3) | |
| Type of pneumothoraxa (%) | 0.075 | ||
| Primary | 19 (70) | 54 (87) | |
| Secondary | 8 (30) | 8 (13) | |
| Treatment history (%) | 0.647 | ||
| None | 14 (52) | 28 (45) | |
| Underwent | 13 (48) | 34 (55) | |
| Ipsilateral | 7 (26) | 19 (31) | |
| Observation | 3 (11) | 6 (10) | |
| Drainage | 3 (11) | 13 (21) | |
| Operation | 1 (4) | 0 (0) | |
| Contralateral | 1 (4) | 8 (13) | |
| Observation | 0 (0) | 1 (2) | |
| Drainage | 0 (0) | 2 (3) | |
| Operation | 1 (4) | 5 (8) | |
| Bilateral | 5 (19) | 7 (11) | |
| Observation | 1 (4) | 0 (0) | |
| Drainage | 0 (0) | 3 (5) | |
| Operation | 4 (4) | 4 (7) | |
| Surgical indications (%) | 0.269 | ||
| Persistent air leak | 7 (26) | 27 (44) | |
| Ipsilateral recurrence | 12 (44) | 23 (37) | |
| Postoperative recurrence | 5 (19) | 4 (7) | |
| Contralateral recurrence | 1 (4) | 4 (7) | |
| Others | 7 (26) | 8 (13) | |
| Status of bullae (%) | <0.001 | ||
| Single | 0 (0) | 39 (63) | |
| Multiple or widespread | 27 (100) | 23 (37) |
SD: standard deviation.
aA primary spontaneous pneumothorax occurs without a precipitating event in the absence of clinical lung disease. In contrast, secondary spontaneous pneumothorax is defined as a pneumothorax that occurs as a complication of underlying lung disease.
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