Table 2.

Means of Healthcare Services Utilization Variables, Age, and Number of Comorbidities in 2009 and 2011

Variable	Mean, 2009 (SE)	Mean, 2011 (SE)
Age	55.52 (0.96; 95% CI, 53.62–57.43)	55.01 (0.97; 95% CI, 53.09–56.94)
Age at diagnosis	54.89 (0.97; 95% CI, 52.96–56.82)	54.40 (0.98; 95% CI, 52.47–56.34)
Number of comorbidities	3.55 (0.13; 95% CI, 3.28–3.81)	3.45 (0.12; 95% CI, 3.21–3.70)
Utilization variable
Home health provider days	3.30 (0.75; 95% CI, 1.81–4.79)	5.91 (3.17; 95% CI, 0.39–12.22)
Dental care visits	0.83 (0.15; 95% CI, 0.53–1.13)	1.12 (0.12; 95% CI, 0.75–1.25)
Hospital discharges	0.23 (0.03; 95% CI, 0.16–0.30)	0.19 (0.03; 95% CI, 0.13–0.24)
Nights in the hospital	1.27 (0.30; 95% CI, 0.67–1.87)	0.98 (0.34; 95% CI, 0.30–1.65)
Emergency department visits	0.39 (0.04; 95% CI, 0.32–0.47)	0.25 (0.03; 95% CI, 0.19–0.31)
Nonphysician visits	2.11 (0.39; 95% CI, 1.34–2.88)	2.70 (0.38; 95% CI, 1.94–3.46)
Physician visits	5.54 (0.54; 95% CI, 4.47–6.61)	6.35 (0.55; 95% CI, 5.25–7.45)
Physician assistant visits	0.13 (0.04; 95% CI, 0.05–0.21)	0.05 (0.01; 95% CI, 0.02–0.07)
Nurse visits	0.34 (0.11; 95% CI, 0.12–0.55)	0.63 (0.05; 95% CI, 0.53–0.73)
Provider visits	7.67 (0.70; 95% CI, 6.28–9.06)	9.69 (1.02; 95% CI, 7.67–11.72)
Prescription medication refills	31.01 (2.45; 95% CI, 26.13–35.88)	30.30 (2.02; 95% CI, 26.29–34.31)
Ambulatory care
Ambulatory physician visits	0.15 (0.04; 95% CI, 0.06–0.23)	0.05 (0.01; 95% CI, 0.02–0.07)
Ambulatory practitioner visits	0.42 (0.11; 95% CI, 0.14–0.57)	1.64 (0.38; 95% CI, 0.29–1.79)
Outpatient services
Outpatient nondoctor visits	0.25 (0.07; 95% CI, 0.11–0.39)	0.69 (0.37; 95% CI, −0.05–1.44)
Outpatient physician visits	0.20 (0.04; 95% CI, 0.12–0.28)	0.32 (0.06; 95% CI, 0.20–0.43)
Outpatient provider visits	0.45 (0.08; 95% CI, 0.30–0.61)	1.03 (0.38; 95% CI, 0.27–1.78)
Physical and occupational therapy visits	0.68 (0.27; 95% CI, 0.14–1.21)	0.34 (0.11; 95% CI, 0.13–0.55)

CI indicates confidence interval; SE, standard error.