New plots

1.Cockcroft_IDEAL-mGFR_unindexed TAI: baseline IBW

2.Cockcroft_IDEAL-mGFR_unindexed BMI : baseline IBW

3.Cockcroft_IDEAL_adj-mGFR_unindexed TAI: baseline IBW adjusted

4.Cockcroft_IDEAL_adj-mGFR_unindexed BMI : baseline IBW adjusted

5.Cockcroft-mGFR_unindexed TAI

6.Cockcroft-mGFR_unindexed BMI