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Table 3 Surgical characteristics in each group (initial and second pulmonary metastasectomy)

From: Prognostic factors in pulmonary metastasectomy and efficacy of repeat pulmonary metastasectomy from colorectal cancer

Characteristics

 

The initial pulmonary metastasectomy (n = 126)

The second pulmonary metastasectomy (n = 26)

p value

Operation, n (%)

Partial resection

65 (51.6)

8 (30.8)

0.09

Segmentectomy

31 (24.6)

11 (42.3)

Lobectomy

30 (23.8)

5 (19.2)

VATS

106 (84.1)

17 (65.4)

0.12

Open

20 (15.9)

7 (26.9)

Operation time (min), median [range]

163 [40–645]

217 [62–505]

0.15

Intraoperative blood loss (ml), median [range]

10 [0–1130]

20 [0–220]

0.008**

Preoperative %VC (%), median [range]

109.8 [56.7–154]

109.0 [56.4–147]

0.23

Preoperative FEV1.0% (%), median [range]

74.9 [46.8–102.6]

72.7 [59.8–97.1]

0.99

Preoperative respiratory dysfunction, n (%)

Absent

77 (61.1)

13 (50.0)

0.91

Present

44 (34.9)

10 (38.5)

Restrictive

4 (3.2)

2 (7.7)

Obstructive

39 (31.0)

8 (30.8)

Mixed

1 (0.8)

0 (0.0)

Postoperative complication

(≧ CDa-grade2), n (%)

Yes

5 (3.9)

0 (0.0)

0.32

No

115 (91.3)

24 (92.3)

 

Fistula 2 (1.6)

Pneumonia 1 (0.8)

Air leakage 1 (0.8)

Pleural effusion 1 (0.8)

–

Postoperative mortality, n (%)

0 (0.0)

0 (0.0)

–

Hospital stay (day), median [range]

7 [2–55]

8 [3–19]

0.51

  1. VATS Video-assisted thoracic surgery, %VC percent vital capacity, FEV1.0% forced expiratory volume percent in 1 s
  2. a Clavien-Dindo classification
  3. *p < 0.05; **p < 0.01; ***p < 0.001