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. 2011 Mar 15;12:12. doi: 10.1186/1471-2369-12-12

Table 1.

Baseline characteristics

Pre-eGFR (n = 274) Post-eGFR (n = 266) P-Value*
Age (years) 70.5 (13.7) 68.7 (13.4) 0.12

Female 70.8% (194) 60.9% (162) 0.02

African-American 23.7% (65) 38.3% (102) 0.0002

Diabetes 31.8% (87) 36.8% (98) 0.21

Hypertension 63.1% (173) 79.7% (212) < 0.0001

Insurance Status

 Private 32.5% (89) 46.6% (124) 0.002

 Medicare 56.6% (155) 45.9% (122)

 Medical Assistance 5.5% (15) 5.6% (15)

 Self-pay 5.5% (15) 1.9% (5)

eGFR (ml/min/1.73 m2) 36.1 (7.1)** 33.7 (7.9) 0.0002

Creatinine (mg/dl) 1.80 (0.52)** 1.97 (0.72) 0.002

Continuous variables are presented as means with standard deviations. Categorical variables are expressed as percentages and frequencies.

*Students t-test, chi-square, or Fisher's exact test used as appropriate.

eGFR estimated glomerular filtration rate.