Table 3.

Additional healthcare expenditures among survivors of stroke with chronic conditions compared with those without chronic conditions: CHNS 2006–2015

Chronic conditions	Total medical expenditure (inflated to 2015) (Dollar)			Out-of-pocket medical expenditure (inflated to 2015) (Dollar)			Rate of catastrophic healthcare expenditure (%)
	Additional cost	95% CI	P	Additional cost	95% CI	P	Additional rate	95% CI	P
Model 1: Conditions
Hypertension	794.5	409.4 to 2117.9	0.004	717.5	236.3 to 1198.6	0.003	0.057	0.035 to 0.079	< 0.001
Diabetes	3978.5	2302.8 to 5654.3	< 0.001	2343.8	1400.1 to 3287.5	< 0.001	0.104	0.061 to 0.146	< 0.001
Obesity	466.4	− 844.9 to 1777.8	0.486	148.5	− 590.2 to 887.1	0.694	0.019	0.014 to 0.053	0.253
Impaired Cognitive Function	556.6	− 1839.4 to 2952.6	0.649	463.1	− 769.5 to 1695.6	0.462	0.035	−0.011 to 0.082	0.139
Model 2: Number of conditions
1	473.3	− 463.1 to 1409.7	0.322	167.8	− 359.6 to 695.3	0.533	0.027	−0.038 to 0.093	0.420
2	2413.0	1166.8 to 3659.3	< 0.001	1416.4	714.5 to 2118.4	< 0.001	0.037	0.013 to 0.061	0.003
≥ 3	5151.7	2586.2 to 7717.3	< 0.001	2776.2	1331.2 to 4221.1	< 0.001	0.085	0.053 to 0.117	< 0.001

Note: Total medical expenditure in model 1: Adjusted R² = 0.1613, AIC = 36,984.7, BIC = 37,427.8

Total medical expenditure in model 2: Adjusted R² = 0.1164, AIC = 13,992.4, BIC = 14,293.3

Out-of-pocket medical expenditure in model 1: Adjusted R² = 0.1012, AIC = 6324.8, BIC = 7239.6

Out-of-pocket medical expenditure in model 2: Adjusted R² = 0.1127, AIC = 5143.8, BIC = 5442.1

Rate of Catastrophic Healthcare Expenditure in model 1: Adjusted R² = 0.1232, AIC = 13,667.1, BIC = 13,711.4

Rate of Catastrophic Healthcare Expenditure in model 2: Adjusted R² = 0.1210, AIC = 18,017.2, BIC = 18,016.7