Table 2.

Unadjusteda and adjusted cost during the first 2 years after the index date for oropharyngeal cancer patients and matched controls

Mean expenditure in 2015 U.S. dollars (SD)
Type of costCasesControlsDifferenceP
First 2 years (unadjusted)
 Total134,454 (108,635)13,693 (38,306)120,802 (81,472)<0.001
 Inpatient services24,341 (48,972)5,031 (29,550)19,310 (40,444)<0.001
 Outpatient services106,604 (82,821)5,738 (12,293)100,866 (59,275)<0.001
 Outpatient prescription drugs3,550 (5,183)2,924 (6,661)626 (5,968)0.11
First 2 years (adjusted)
 Total160,639 (114,893)20,890 (53,543)139,749 (89,631)<0.001
  • aUnadjusted is the observed cost with no regression model estimate of cost for months not enrolled.