Table 2.
Postoperative outcomes
| Variable | All patients | Propensity-matched patients | ||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| SP (n=37) | MP (n=67) | p-value | SP (n=32) | MP (n=32) | p-value | |
| Pleural adhesion | 12 (32.4) | 20 (29.9) | 0.79 | 9 (28.1) | 8 (25.0) | 0.78 |
|
| ||||||
| Incomplete fissure | 26 (70.3) | 47 (70.1) | 0.99 | 22 (68.8) | 22 (68.8) | 1.00 |
|
| ||||||
| Operation time (min) | 210 (100–495) | 200 (90–380) | 0.41 | 210 (100–360) | 200 (90–320) | 0.11 |
|
| ||||||
| Blood loss (mL) | 170 (20–450) | 180 (70–500) | 0.44 | 170 (20–400) | 160 (70–500) | 0.19 |
|
| ||||||
| Tumor diameter (cm) | 2.3 (1.3–6.0) | 2.5 (0.7–6.5) | 0.49 | 2.5 (1.3–6.0) | 2.5 (1.0–5.5) | 0.53 |
|
| ||||||
| No. of dissected lymph nodes | 25 (10–63) | 28 (10–75) | 1.00 | 26 (10–53) | 23 (14–48) | 0.59 |
|
| ||||||
| Explored nodal stations | 6 (4–9) | 6 (2–9) | 0.09 | 6 (4–9) | 7 (2–9) | 0.24 |
|
| ||||||
| Pathologic stages | 0.60 | 0.79 | ||||
|
| ||||||
| O | 1 (1.5) | |||||
|
| ||||||
| IA | 23 (62.2) | 32 (47.8) | 19 (59.4) | 20 (62.5) | ||
|
| ||||||
| IB | 4 (10.8) | 13 (19.4) | 6 (18.8) | 6 (18.8) | ||
|
| ||||||
| IIA | 5 (13.5) | 12 (17.9) | 3 (9.4) | 3 (9.4) | ||
|
| ||||||
| IIB | 1 (2.7) | 1 (1.5) | 0 (0) | 1 (3.1) | ||
|
| ||||||
| IIIA | 4 (10.8) | 8 (11.9) | 4 (12.5) | 2 (6.3) | ||
|
| ||||||
| Chest tube (day) | 5 (2–18) | 6 (2–29) | 0.56 | 5 (2–18) | 6 (2–11) | 0.66 |
|
| ||||||
| Intensive care unit stay (day) | 1 (1–2) | 1 (1–26) | 0.45 | 1 (1–2) | 1 (1–2) | 0.17 |
|
| ||||||
| Hospital stay (day) | 9 (6–22) | 11 (5–29) | 0.63 | 9 (6–22) | 10 (5–28) | 0.89 |
|
| ||||||
| Wound size (cm) | 4.5 (3.5–5.8) | - | 4.5 (3.5–5.5) | - | ||
|
| ||||||
| Histologic type | 0.92 | 1.00 | ||||
|
| ||||||
| Adenocarcinoma | 26 (70.3) | 48 (71.6) | 23 (71.9) | 23 (71.9) | ||
|
| ||||||
| Squamous cell carcinoma | 8 (21.6) | 15 (22.4) | 7 (21.9) | 7 (21.9) | ||
|
| ||||||
| Other | 3 (8.1) | 4 (6.0) | 2 (6.3) | 2 (6.3) | ||
|
| ||||||
| Conversion | 8 (17.8) | 0 | 0.01 | 5 (15.6) | 0 | 0.07 |
Values are presented as median (range) or number (%), unless otherwise stated.
SP, single-port; MP, multi-port.