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Table 1 Clinicopathological characteristics of the enrolled patients

From: Predictive factors for pleural drainage volume after uniportal video-assisted thoracic surgery lobectomy for non-small cell lung cancer: a single-institution retrospective study

Parameters  
Age (years, IQR) 60 (53–65)
Gender male (n, %) 172 (39.1%)
Smoking history (n, %) 130 (29.5%)
TNM staging (n, %)  
IA 241 (54.8%)
IB 99 (22.5%)
IIA 16 (3.6%)
IIB 53 (12.0%)
IIIA 21 (4.8%)
IIIB 5 (1.1%)
IV 5 (1.1%)
Pathology (n, %)  
Adenocarcinoma 385 (87.5%)
Squamous carcinoma 46 (10.5%)
Others 9 (2.0%)
Surgical location (n, %)  
LUL 104 (23.6%)
LLL 79 (18%)
RUL 121 (27.5%)
RML 39 (8.9%)
RLL 97 (22%)
Duration of drainage (days, IQR) 4 (3–5)
PDV (ml, IQR) 840 (570–1370)
  1. IQR interquartile range, TNM tumor, node, metastasis, LUL left upper lobe, LLL left lower lobe, RUL right upper lobe, RML right middle lobe, RLL right lower lobe