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Table 1 The relationship between recurence and clinicopathological characteristics

From: What factors predict recurrence of a spontaneous pneumothorax?

Characteristic Total Reca % Non-rec p-value
All cases 214 35 16.4 179  
Age (years)      
 <28 102 17 16.7 85  
 ≥28 112 18 16.1 94 0.906
Gender      
 Male 182 28 15.4 154  
 Female 32 7 21.9 25 0.360
Smoking      
 Yes 75 7 9.3 68  
 No 139 28 20.1 111 0.041
Lesion site      
 Right 103 16 15.5 87  
 Left 111 19 17.1 92 0.754
Lesion location      
Top 177 29 16.4 148  
Other than top 37 6 16.2 31 0.980
Comorbidities      
 Yes 44 12 27.3 32  
 No 170 23 13.5 147 0.028
ISPb      
 Yes 50 9 18.0 41  
 No 164 26 15.9 138 0.719
CSPc      
 Yes 37 5 13.5 32  
 No 177 30 16.9 147 0.607
Surgery for ISP      
 Yes 22 8 36.4 14  
 No 192 27 14.1 165 0.007
  1. a Rec: recurrence, b ISP: ipsilateral spontaneous pneumothorax, c CSP: contralateral spontaneous pneumothorax.