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. Author manuscript; available in PMC: 2012 Jan 17.
Published in final edited form as: J Am Coll Cardiol. 2010 Aug 3;56(6):490–498. doi: 10.1016/j.jacc.2009.11.102

TABLE 1.

Comparison of Baseline Clinical Characteristics in Three RAR Groupings by Enrollment by Clinical Sites in Low Patient-Weighted Mean RAR (low RAR countries) with Clinical Sites in High Patient-Weighted Mean RAR (high RAR countries)

Baseline Clinical Characteristics RAR Groups 1 – 12 RAR Groups 13 – 21 RAR Groups 22 – 32
Patients from Low RAR Countries n = 684 Patients from High RAR Countries n = 432 P Patients from Low RAR Countries n = 252 Patients from High RAR Countries n = 308 P Patients from Low RAR Countries n = 128 Patients from High RAR Countries n = 332 P
Mean (S.D.) Mean (S.D.) Mean (S.D.) Mean (S.D.) Mean (S.D.) Mean (S.D.)
Age 55.3 (7.6) 57.2 (8.2) <0.001 63.3 (7.3) 66.4 (7.8) < 0.001 66.5 (7.4) 68.3 (8.9) 0.026
LVEF 28.5 (5.2) 26.8 (5.8) <0.001 26.5 (5.8) 26.1 (6.1) 0.532 25.3 (5.9) 23.8 (6.3) 0.021
CAD Severity Index 54.1 (19.3) 51.2 (18.0) 0.012 71.1 (20.7) 66.0 (20.9) 0.004 78.1 (18.4) 74.4 (20.1) 0.067
n (%) n (%) n (%) n (%) n (%) n (%)
Chronic Renal Insufficiency 0 (0.0) 0 (0.0) -- 0 (0.0) 0 (0.0) -- 35 (27.3) 137 (41.3) 0.006
NYHA HFClass I 87 (12.7) 64 (14.8) <0.001 15 (5.9) 32 (10.4) 0.002 6 (4.7) 13 (3.9) 0.039
    II 401 (58.6) 208 (48.2) 128 (50.8) 135 (43.8) 50 (39.1) 93 (28.0)
    III 193 (28.2) 150 (34.7) 105 (41.7) 124 (40.3) 64 (50.0) 181 (54.5)
    IV 3 (0.4) 10 (2.3) 4 (1.6) 17 (5.5) 8 (6.2) 45 (13.6)
Mitral Regurgitation 0 222 (32.5) 219 (50.7) <0.001 43 (17.1) 109 (35.4) < 0.001 20 (15.6) 85 (25.6) 0.003
    1 282 (41.2) 158 (36.6) 118 (46.8) 124 (40.3) 40 (31.2) 125 (37.7)
    2 46 (6.7) 27 (6.2) 44 (17.5) 49 (15.9) 34 (26.6) 79 (23.8)
    3 14 (2.1) 3 (0.7) 10 (4.0) 6 (2.0) 16 (12.5) 17 (5.1)
    4 120 (17.5) 25 (5.8) 37 (14.7) 20 (6.5) 18 (14.1) 26 (7.8)
Diabetes 166 (24.3) 157 (36.3) <0.001 93 (36.9) 141 (45.8) 0.034 65 (50.8) 177 (53.3) 0.626