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. 2013 Jul 8;8(7):e69602. doi: 10.1371/journal.pone.0069602

Table 1.

Diagnosis No. of patients Age range in years (median) Smoking status
Bladder cancer 24 27 – 91 (mean 71) 7 smokers; 17 non-smokers (9 ex-smokers)
Control (non-cancer) 74 29 – 86 (mean 64) 15 smokers; 59 non-smokers (17 ex-smokers)