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Table 3 Resource use in post-index 12 months by insurance type and cohort

From: A retrospective study on the impact of comorbid depression or anxiety on healthcare resource use and costs among diabetic neuropathy patients

  Medicare supplemental insurance Commercial insurance
  DN-only DN-DA Odds ratio
(95% confidence interval) or adjusted mean difference
(p-value)
DN-only DN-DA Odds ratio
(95% confidence interval) or adjusted mean difference
(p-value)
# Observations 16,831 1,699   17,205 3,105  
Inpatient hospital admissions       
   % patients with any admission 34.8% 54.3% 2.0 (1.8, 2.2)1 25.6% 43.7% 2.0 (1.8, 2.2)1
   Number of hospitalized days (mean, SD) 2.6 (8.0) 6.0 (13.4) 2.8 (<0.05)2 2.5 (9.1) 5.8 (14.5) 2.5 (<0.05)2
SNF admissions       
   % patients with any admission 9.5% 25.3% 2.9 (2.6, 3.3)1 1.9% 4.7% 2.0 (1.6, 2.5)1
   Number of admissions (mean, SD) 0.8 (3.9) 3.2 (8.8) 2.1 (<0.05)2 0.1 (1.5) 0.4 (3.0) 0.04 (<0.05)2
% patients with any ER visit 21.7% 38.8% 2.1 (1.9, 2.3)1 22.8% 37.6% 1.8 (1.6, 2.0)1
% patients with any hospital outpatient visit 78.1% 81.9% 1.3 (1.1, 1.5)1 75.0% 82.4% 1.5 (1.3, 1.6)1
Outpatient physician office visits       
   % patients with any visit 98.8% 98.1% 0.7 (0.4, 0.95)1 99.3% 99.6% 1.6 (0.9, 2.9)1
   Number of visits (mean, SD) 18.5 (12.9) 21.6 (15.1) 2.5 (<0.05)2 16.7 (13.1) 24.9 (17.6) 7.1 (<0.05)2
Home health care visits       
   % patients with any visit 52.5% 52.4% 1.0 (0.9, 1.1)1 36.5% 45.7% 1.3 (1.2, 1.4)1
   Number of visits (mean, SD) 2.2 (4.8) 2.6 (5.5) 0.2 (0.06)2 2.1 (7.1) 3.2 (8.6) 0.6 (<0.05)2
  1. Source: Thomson Medstat MarketScan database for patients with Medicare supplemental and commercial insurance (2004–2005)
  2. 1Adjusted odds ratio and 95% confidence interval estimated from logistic regression.
  3. 2Adjusted mean difference and p-value estimated from ordinary least squares regression.