. Author manuscript; available in PMC: 2015 Feb 18.

Published in final edited form as: JAMA Surg. 2014 Mar;149(3):259–266. doi: 10.1001/jamasurg.2013.5009

Table 5.

Observed and Adjusted Costs in Matched Analyses for Former and Never Smokers^a

Cost	Observed Cost, $ (95% CI)		Adjusted Cost, $ (95% CI)
Cost	Former Smoker	Never Smokers	Former Smokers	Never Smokers	Predicted Difference
Index hospitalization, total cost	19 888 (18 451 to 21 324)	19 994 (18 363 to 21 626)	19 880 (18 784 to 20 975)	19 536 (18 448 to 20 624)	344 (−503 to 1190)

Postdischarge follow-up, monthly cost	2221 (1651 to 2790)	1555 (1204 to 1906)	1397 (1163 to 1631)	1123 (1015 to 1231)	273 (56 to 490)^b

Methods of analysis are explained in Table 3.

P < .05.