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Table 2 Characteristics of the Population by Quartile and top 10%

From: Use of an electronic administrative database to identify older community dwelling adults at high-risk for hospitalization or emergency department visits: The elders risk assessment index

Variable -7:-1 0:3 4:8 9:15 16+ P-
  N = 2106 N = 4114 N = 3115 N = 2129 N = 1186 value
Age (± SD) 65.0(4.3) 70.9 (6.9) 74.2 (8.4) 77.4 (9.3) 80.7 (8.4) <. 01
Age, n (%)       <. 01
   • Age 60-69 1930 (92) 1778 (43) 1014 (33) 470 (22) 135 (11)  
   • Age 70-79 148 (7) 1882 (46) 1186 (38) 740 (35) 327 (28)  
   • Age 80-89 28 (1) 446 (11) 842 (27) 681 (32) 531 (45)  
   • Age >90 0 (0) 8 (0) 73 (2) 238 (11) 193 (16)  
Female, n (%) 1193 (57) 2500 (61) 1732 (56) 1159 (54) 683 (58) <. 01
Stayed in a hospital (2003-2004), n (%) 18 (1) 1 (0) 924 (30) 1437 (67) 1160 (98) <. 01
Total hospital days (2003-2004), Median (Min, Max) 0 (0, 4) 0 (0, 5) 0 (0, 49) 2 (0, 123) 9.5 (0, 153) <. 01
Lived in a NH (2003-2004), n (%) 14 (1) 133 (3) 290 (9) 420 (20) 496 (42) <. 01
Previous history ever of NH stay, n (%) 27 (1) 323 (8) 536 (17) 669 (31) 706 (60) <. 01
History of Diabetes, n (%) 104 (5) 794 (19) 964 (31) 726 (34) 494 (42) <. 01
History of CAD/MI/CHF, n (%) 50(2) 533 (13) 1268 (41) 1207 (57) 913 (77) <. 01
History of Stroke, n (%) 20 (1) 154 (4) 421 (14) 480 (23) 472 (40) <. 01
History of COPD, n (%) 14 (1) 19 (0) 408 (13) 553 (26) 484 (41) <. 01
History of Cancer, n (%) 76 (4) 927 (23) 851 (27) 686 (32) 448 (38) <. 01
History of Hip Fracture, n (%) 11 (1) 59 (1) 98 (3) 120 (6) 144 (12) <. 01
History of Dementia, n (%) 17 (1) 139 (3) 396 (13) 434 (20) 366 (31) <. 01
Marital Status, n (%)       
   • Married 1961(93) 2719 (66) 1920 (62) 1142 (54) 521 (44)