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Table 6 Current cigar smoking and esophageal 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 12 5.33 (2.74, 9.34) SMR   Age ICD 8: 150
Carstensen1987 Swedish Census Cohort 2 6.5 (0.61, 23.90) SMR   Age, residence ICD 8: 150
Shanks1998 CPS-I 19 3.6 (2.17, 5.62) IRR Primary Age  
Shanks1998 CPS-I 7 3.52 (1.41, 7.25) IRR Secondary Age  
Shapiro2000 CPS-II 9 1.8 (0.90, 3.70) HR Primary Age, alcohol, smokeless tobacco ICD 9: 150
  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.