Characteristics of patients who underwent lung resection according to the presence or absence of all postoperative events (complications and mortality)
| . | Events . | Significance (P-value) . | |
|---|---|---|---|
| Yes (n = 23; 45%) . | No (n = 28; 55%) . | ||
| Age (years) | 67.1 ± 7.0 | 64 ± 10.7 | 0.234 |
| Gender (male/female); n (%) | 19 (82.6)/4 (17.4) | 23 (82.1)/5 (17.9) | 0.965 |
| BMI | 28.9 ± 6.0 | 27.0 ± 4.0 | 0.195 |
| Smoking history | |||
| Current/former smokers/non-smoker; n (%) | 13 (56.5)/10 (43.5) | 15 (53.6)/12 (42.9)/1 (3.6) | 0.656 |
| Smoking index (pack/year) | 56.4 ± 28.9 | 55.36 ± 26.2 | 0.896 |
| Presence of comorbidity | |||
| Cardiac; n (%) | 13 (56.5) | 12 (42.9) | 0.395 |
| Others; n (%) | 10 (43.5) | 13 (46.4) | 0.833 |
| Pulmonary function test | |||
| FEV1/FVC (%) | 56.0 ± 14.96 | 55.2 ± 12.22 | 0.844 |
| FEV1 (l) | 1.75 ± 0.64 | 1.8 ± 0.58 | 0.632 |
| FEV1% | 58.7 ± 18.2 | 61.1 ± 17.6 | 0.778 |
| FVC (l) | 3.19 ± 0.67 | 3.23 ± 0.61 | 0.828 |
| FVC% | 80.8 ± 11.8 | 83.8 ± 12.99 | 0.403 |
| DLCO% | 41.8 ± 9.5 | 53.8 ± 18.8 | 0.031 |
| KCO% | 46.5 ± 9.7 | 59.5 ± 19.2 | 0.026 |
| Type of pathological tumour | |||
| Adenocarcinoma | 14 (60.9) | 10 (35.7) | 0.541 |
| Squamous cell carcinoma | 7 (30.4) | 13 (46.4) | |
| Others | 2 (8.7) | 5 (17.9) | |
| Staging | |||
| Stage IA | 8 (34.8) | 11 (39.3) | 0.294 |
| Stage IIA/IIB | 6 (26.1)/7 (30.4) | 5 (17.9)/4 (14.3) | |
| Stage IIIA | 2 (8.7) | 7 (25) | |
| Stage IVa | 0 (0) | 1 (3.6) | |
| Type of surgery | |||
| Pneumonectomy | 1 (4.3) | 7 (25) | 0.103 |
| Lobectomy | 15 (65.2) | 16 (57.1) | |
| Segmentectomy/atypical surgery | 7 (30.4) | 5 (17.9) | |
| . | Events . | Significance (P-value) . | |
|---|---|---|---|
| Yes (n = 23; 45%) . | No (n = 28; 55%) . | ||
| Age (years) | 67.1 ± 7.0 | 64 ± 10.7 | 0.234 |
| Gender (male/female); n (%) | 19 (82.6)/4 (17.4) | 23 (82.1)/5 (17.9) | 0.965 |
| BMI | 28.9 ± 6.0 | 27.0 ± 4.0 | 0.195 |
| Smoking history | |||
| Current/former smokers/non-smoker; n (%) | 13 (56.5)/10 (43.5) | 15 (53.6)/12 (42.9)/1 (3.6) | 0.656 |
| Smoking index (pack/year) | 56.4 ± 28.9 | 55.36 ± 26.2 | 0.896 |
| Presence of comorbidity | |||
| Cardiac; n (%) | 13 (56.5) | 12 (42.9) | 0.395 |
| Others; n (%) | 10 (43.5) | 13 (46.4) | 0.833 |
| Pulmonary function test | |||
| FEV1/FVC (%) | 56.0 ± 14.96 | 55.2 ± 12.22 | 0.844 |
| FEV1 (l) | 1.75 ± 0.64 | 1.8 ± 0.58 | 0.632 |
| FEV1% | 58.7 ± 18.2 | 61.1 ± 17.6 | 0.778 |
| FVC (l) | 3.19 ± 0.67 | 3.23 ± 0.61 | 0.828 |
| FVC% | 80.8 ± 11.8 | 83.8 ± 12.99 | 0.403 |
| DLCO% | 41.8 ± 9.5 | 53.8 ± 18.8 | 0.031 |
| KCO% | 46.5 ± 9.7 | 59.5 ± 19.2 | 0.026 |
| Type of pathological tumour | |||
| Adenocarcinoma | 14 (60.9) | 10 (35.7) | 0.541 |
| Squamous cell carcinoma | 7 (30.4) | 13 (46.4) | |
| Others | 2 (8.7) | 5 (17.9) | |
| Staging | |||
| Stage IA | 8 (34.8) | 11 (39.3) | 0.294 |
| Stage IIA/IIB | 6 (26.1)/7 (30.4) | 5 (17.9)/4 (14.3) | |
| Stage IIIA | 2 (8.7) | 7 (25) | |
| Stage IVa | 0 (0) | 1 (3.6) | |
| Type of surgery | |||
| Pneumonectomy | 1 (4.3) | 7 (25) | 0.103 |
| Lobectomy | 15 (65.2) | 16 (57.1) | |
| Segmentectomy/atypical surgery | 7 (30.4) | 5 (17.9) | |
DLCO: diffusing capacity for carbon monoxide; BMI: body mass index; FVC: forced vital capacity; KCO: carbon monoxide transfer coefficient.
aThis patient had solitary brain metastasis.
Characteristics of patients who underwent lung resection according to the presence or absence of all postoperative events (complications and mortality)
| . | Events . | Significance (P-value) . | |
|---|---|---|---|
| Yes (n = 23; 45%) . | No (n = 28; 55%) . | ||
| Age (years) | 67.1 ± 7.0 | 64 ± 10.7 | 0.234 |
| Gender (male/female); n (%) | 19 (82.6)/4 (17.4) | 23 (82.1)/5 (17.9) | 0.965 |
| BMI | 28.9 ± 6.0 | 27.0 ± 4.0 | 0.195 |
| Smoking history | |||
| Current/former smokers/non-smoker; n (%) | 13 (56.5)/10 (43.5) | 15 (53.6)/12 (42.9)/1 (3.6) | 0.656 |
| Smoking index (pack/year) | 56.4 ± 28.9 | 55.36 ± 26.2 | 0.896 |
| Presence of comorbidity | |||
| Cardiac; n (%) | 13 (56.5) | 12 (42.9) | 0.395 |
| Others; n (%) | 10 (43.5) | 13 (46.4) | 0.833 |
| Pulmonary function test | |||
| FEV1/FVC (%) | 56.0 ± 14.96 | 55.2 ± 12.22 | 0.844 |
| FEV1 (l) | 1.75 ± 0.64 | 1.8 ± 0.58 | 0.632 |
| FEV1% | 58.7 ± 18.2 | 61.1 ± 17.6 | 0.778 |
| FVC (l) | 3.19 ± 0.67 | 3.23 ± 0.61 | 0.828 |
| FVC% | 80.8 ± 11.8 | 83.8 ± 12.99 | 0.403 |
| DLCO% | 41.8 ± 9.5 | 53.8 ± 18.8 | 0.031 |
| KCO% | 46.5 ± 9.7 | 59.5 ± 19.2 | 0.026 |
| Type of pathological tumour | |||
| Adenocarcinoma | 14 (60.9) | 10 (35.7) | 0.541 |
| Squamous cell carcinoma | 7 (30.4) | 13 (46.4) | |
| Others | 2 (8.7) | 5 (17.9) | |
| Staging | |||
| Stage IA | 8 (34.8) | 11 (39.3) | 0.294 |
| Stage IIA/IIB | 6 (26.1)/7 (30.4) | 5 (17.9)/4 (14.3) | |
| Stage IIIA | 2 (8.7) | 7 (25) | |
| Stage IVa | 0 (0) | 1 (3.6) | |
| Type of surgery | |||
| Pneumonectomy | 1 (4.3) | 7 (25) | 0.103 |
| Lobectomy | 15 (65.2) | 16 (57.1) | |
| Segmentectomy/atypical surgery | 7 (30.4) | 5 (17.9) | |
| . | Events . | Significance (P-value) . | |
|---|---|---|---|
| Yes (n = 23; 45%) . | No (n = 28; 55%) . | ||
| Age (years) | 67.1 ± 7.0 | 64 ± 10.7 | 0.234 |
| Gender (male/female); n (%) | 19 (82.6)/4 (17.4) | 23 (82.1)/5 (17.9) | 0.965 |
| BMI | 28.9 ± 6.0 | 27.0 ± 4.0 | 0.195 |
| Smoking history | |||
| Current/former smokers/non-smoker; n (%) | 13 (56.5)/10 (43.5) | 15 (53.6)/12 (42.9)/1 (3.6) | 0.656 |
| Smoking index (pack/year) | 56.4 ± 28.9 | 55.36 ± 26.2 | 0.896 |
| Presence of comorbidity | |||
| Cardiac; n (%) | 13 (56.5) | 12 (42.9) | 0.395 |
| Others; n (%) | 10 (43.5) | 13 (46.4) | 0.833 |
| Pulmonary function test | |||
| FEV1/FVC (%) | 56.0 ± 14.96 | 55.2 ± 12.22 | 0.844 |
| FEV1 (l) | 1.75 ± 0.64 | 1.8 ± 0.58 | 0.632 |
| FEV1% | 58.7 ± 18.2 | 61.1 ± 17.6 | 0.778 |
| FVC (l) | 3.19 ± 0.67 | 3.23 ± 0.61 | 0.828 |
| FVC% | 80.8 ± 11.8 | 83.8 ± 12.99 | 0.403 |
| DLCO% | 41.8 ± 9.5 | 53.8 ± 18.8 | 0.031 |
| KCO% | 46.5 ± 9.7 | 59.5 ± 19.2 | 0.026 |
| Type of pathological tumour | |||
| Adenocarcinoma | 14 (60.9) | 10 (35.7) | 0.541 |
| Squamous cell carcinoma | 7 (30.4) | 13 (46.4) | |
| Others | 2 (8.7) | 5 (17.9) | |
| Staging | |||
| Stage IA | 8 (34.8) | 11 (39.3) | 0.294 |
| Stage IIA/IIB | 6 (26.1)/7 (30.4) | 5 (17.9)/4 (14.3) | |
| Stage IIIA | 2 (8.7) | 7 (25) | |
| Stage IVa | 0 (0) | 1 (3.6) | |
| Type of surgery | |||
| Pneumonectomy | 1 (4.3) | 7 (25) | 0.103 |
| Lobectomy | 15 (65.2) | 16 (57.1) | |
| Segmentectomy/atypical surgery | 7 (30.4) | 5 (17.9) | |
DLCO: diffusing capacity for carbon monoxide; BMI: body mass index; FVC: forced vital capacity; KCO: carbon monoxide transfer coefficient.
aThis patient had solitary brain metastasis.
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