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Table 1 Characteristics of hospital admission cases in the included Shandong counties

From: Urban–rural disparities in the association of nitrogen dioxide exposure with cardiovascular disease risk in China: effect size and economic burden

Disease

Total

Urban

Rural

Hospital admissions (cases)

   

    Cardiovascular disease

303,217

160,652

142,565

    Coronary heart disease

85,168

50,487

34,681

    Ischemic stroke

68,078

30,802

37,276

    Hypertension

45,149

27,054

18,095

Total hospital stays (days)

   

    Cardiovascular disease

4,302,498

3,032,005

1,270,493

    Coronary heart disease

895,039

618,506

276,533

    Ischemic stroke

844,794

473,765

371,029

    Hypertension

767,184

628,622

138,562

Total expenses (thousand CNY)

   

    Cardiovascular disease

2,750,867

1,750,769

1,000,098

    Coronary heart disease

872,259

607,536

264,723

    Ischemic stroke

553,455

320,728

232,727

    Hypertension

235,917

177,565

5835

  1. Abbreviation: CNY Chinese yuan