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Table 1 Characteristics of the hospitals

From: Association between hospital and ICU structural factors and patient outcomes in China: a secondary analysis of the National Clinical Improvement System Data in 2019

Variables Categories Total n(%) Tertiary hospital n(%) Secondary hospital n(%) X2 p
Region Eastern China 889(31.52) 399(28.85) 490(34.10) 84.441  < 0.001
  Central China 659(23.37) 270(19.52) 389(27.07)   
  Western China 1083(38.40) 570(41.21) 513(35.70)   
  North-eastern China 189(6.70) 144(10.41) 45(3.13)   
Location Metropolitan cities 532(18.87) 353(25.52) 179(12.46) 77.773  < 0.001
  Other cities and rural areas 2288(81.13) 1030(74.48) 1258(87.54)   
Hospital ownership Private 246(8.72) 80(5.78) 166(11.55) 29.440  < 0.001
  Public 2574(91.28) 1303(94.22) 1271(88.45)   
Number of beds in the hospital Median(Q1,Q3) 730(491,1195) 1124 (7621672 506(360,707)   
   < 500 773(27.41) 102(7.38) 671(46.69) 960.486  < 0.001
  500–1000 1181(41.88) 512(37.02) 669(46.56)   
   > 1000 866(30.71) 769(55.60) 97(6.75)   
Number of beds in the ICU Median(Q1,Q3) 12(8,20) 18(12,30) 9(6,12)   
   < 10 958(33.97) 218(15.76) 740(51.50) 654.300  < 0.001
  10–15 842(29.86) 356(25.74) 486(33.82)   
   > 15 1020(36.17) 809(58.50) 211(14.68)   
ICU: hospital bed percentage (%)       
   < 2% 1708(60.57) 855(61.82) 853(59.36) 1.789 0.181
   ≥ 2% 1112(39.43) 528(38.18) 584(40.64)