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Table 13 Current cigar smoking and laryngeal cancer

From: Systematic review of cigar smoking and all cause and smoking related mortality

Study Cohort name Cigar smoker deaths Effect estimate 95% CI Measure Primary/secondary* Adjustment ICD codes
Current Cigar
Kahn1966 Dorn study 6 10.33 (3.72, 22.63) SMR   Age ICD 7: 161
Shanks1998 CPS-I 7 10.02 (4.01, 20.64) IRR Primary Age  
Shapiro2000 CPS-II 4 10.3 (2.60, 41.00) HR Primary Age, alcohol, smokeless tobacco ICD 9: 161
  1. *Primary cigar smoking: current, exclusive cigar smoking with no previous history of cigarette or pipe smoking; secondary cigar smoking: current, exclusive cigar smoking with previous history of cigarette or pipe smoking.