Table 2 Hospitals and ICU organizational characteristics

Total no. of admitted patients

26,282,732

27,321,537

27,857,285

 Median (25th–75th)

31,973(20367–51,045)

34,864(21881–57,119)

37,252(23034–59,531)

0.0013

Total no. of admitted patients in ICU

471,432

526,663

589,629

 Median(25th–75th)

519(297–851)

562(334–927)

610(351–1055)

0.0002

Total no. of hospital beds

612,441

680,429

691,511

 Median(25th–75th)

600(941–1446)

997(605–1500)

993(650–1552)

0.0580

Total no. of ICU beds

10,668

11,355

13661*

 Median(25th–75th)

12(9–20)

13(10–20)

15(10–24)

0.0002

ICU: hospital bed percentage(%)

1.5(1.1–2)

1.5(1.1–2)

1.6(1.2–2.1)*†

0.0018

Doctor-to-nurse ratio in ICU

0.31 (0.26, 0.38)

0.31 (0.25, 0.38)

0.30 (0.25, 0.38)

0.1949

Doctor-to-bed ratio in ICU

0.64 (0.50, 0.83)

0.60 (0.50, 0.80)

0.60 (0.45, 0.75)*

0.0005

Nurse-to-bed ratio in ICU

2.00(1.64, 2.50)

2.06 (1.63, 2.50)

2.00 (1.50, 2.40)*

0.0113