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Table 4 Time between first test and diagnosis according to nodule characteristics. (Median and interquartile).

From: Management of SPN in France. Pathways for definitive diagnosis of solitary pulmonary nodule: a multicentre study in 18 French districts

Factor n Days to diagnosis p # p ##
Patient characteristics     
Age     
   35–65 52 24 (4–61.5) 0.5 0.33
   > 65 60 28 (11.5–53.5)   
Sex     
   Male 82 26 (8–63) 0.4 0.42
   Female 30 25.5 (0–46)   
Referral pattern     
   GP 18 18 (0–33) 0.10 0.07
   Specialist 94 28 (8–62)   
History of smoking     
   Never smoked 33 13 (0–35) <0.01 0.17
   Current or past smoker 79 29 (11–63)   
Nodule characteristics     
Calcification within the nodule     
   Yes 12 26.5 (5–51) 0.4 0.34
   No 100 25.5 (0–25.5)   
Spiculated nodule     
   Yes 32 33 (25.5–65.5) 0.02 0.41
   No 80 14.5 (3.5–56.5)   
Mediastinal involvement     
   Yes 31 25 (11–62) 0.29 0.74
   No 81 27 (6–61)   
  1. GP = General Practitioner
  2. p # In Mann-Whitney test.
  3. p ## In multivariate Cox regression model.