Table 4:

Yield of finding Barrett’s esophagus per 100 upper endoscopies based on additive body mass index (BMI) and smoking status risk factors to the baseline study population of Caucasian men, >50 years of age with gastroesophageal reflux disease (GERD).

	Body mass index (BMI) Categories
	Normal	Overweight	Obese	Overweight/Obese	All
Never Smoker	7.69 [0.95, 25.13]	7.89 [2.95, 16.40]	4.48 [0.93, 12.53]	6.29 [2.92, 11.61]	6.51 [3.29, 11.35]
Former Smoker	6.90 [0.85, 22.77]	10.14 [4.18, 19.79]	13.58 [6.98, 23.00]	12.00 [7.27, 18.30]	11.17 [6.96, 16.73]
Current Smoker	8.33 [1.03, 27.00]	22.73 [7.82, 45.37]	13.64 [2.91, 34.91]	18.18 [8.19, 32.71]	14.71 [7.28, 25.39]
Ever Smoker	7.55 [2.09, 18.21]	13.19 [7.00, 21.90]	13.59 [7.63, 21.75]	13.40 [8.95, 19.02]	12.15 [8.35, 16.88]
All	7.59 [2.84, 15.80]	10.78 [6.51, 16.50]	10.00 [5.93, 15.53]	10.39 [7.34, 14.15]	9.86 [7.17, 13.13]