10 December 2021>: Clinical Research
Development and Validation of a Random Forest Risk Prediction Pneumothorax Model in Percutaneous Transthoracic Needle Biopsy
Hong Lin Wu 1ABCDEF , Gao Wu Yan 2ADF , Li Cheng Lei 3BC , Yong Du 4AD , Xiang Ke Niu 1DF , Tao Peng 1FG*DOI: 10.12659/MSM.932137
Med Sci Monit 2021; 27:e932137
Table 1 Characteristics of development data.
Risk factors | N=245 | P value | |
---|---|---|---|
Pneumothorax (n=108) | Non-pneumothorax (n=137) | ||
Patients’ characteristics | |||
Age (years), Mean±SD | 63.4±9.4 | 60.2±10.1 | 0.005 |
Gender (number), Male/Female | 87 (80.6%)/21 (19.4%) | 87 (63.5%)/50 (36.5%) | 0.003 |
Lesion characteristics | |||
Lesion size (mm), Mean±SD | 28.5±14.6 | 27.1±12.1 | 0.798 |
Lesion depth (mm), Mean±SD | 12.3±10.0 | 10.4±11.3 | 0.034 |
Lesion location (number), upper lobe (left lung)/lower lobe (left lung)/upper lobe (right lung)/middle lobe (right lung)/lower lobe (right lung) | 19 (17.6%)/21 (19.4%)/ 34 (31.5%)/8 (7.4%)/26 (24.1%) | 29 (21.2%)/24 (17.5%)/ 40 (29.2%)/10 (7.3%)/34 (24.8%) | 0.959 |
Cavity inside the lesion (number), yes | 12 (11.1%) | 27 (19.7%) | 0.068 |
Emphysema/bullae (number), yes | 29 (26.9%) | 32 (23.4%) | 0.530 |
Pneumonitis (number), yes | 66 (61.1%) | 71 (51.8%) | 0.146 |
Procedure characteristics | |||
Length of the aerated lung traversed (mm), Mean±SD | 20.2±12.7 | 17.6±14.4 | 0.081 |
Angle of pleural puncture (°), Mean±SD | 61.1±18.6 | 59.3±18.4 | 0.405 |
Procedure time (min.), Mean±SD | 10.2±4.8 | 9.2±4.0 | 0.590 |
Biopsy position (number), supine/prone | 41 (38.0%)/67 (62.0%) | 66 (48.2%)/71 (51.8%) | 0.110 |
Crossing of pleural indentation (number), yes | 26 (24.1%) | 41 (29.9%) | 0.308 |
Crossing the interlobar fissure (number), yes | 5 (4.6%) | 4 (2.9%) | 0.513 |
Number of biopsy (number), 1/2/3 | 100 (92.6%)/7 (6.5%)/1 (0.9%) | 132 (96.4%)/5 (3.6%)/0 (0%) | 0.298 |