Page 200 - HIVMED_v21_i1.indb

Page 6 of 15 Original Research

A1 B1
25
110
20
100 15 +1.96 SD
15.6
90 10
Jaffe 4hr μmol/l 80 (enzyma c 4hr- jaffe 4hr) / Mean % 5 0 Mean

1.8
70
-5
60 -10 -1.96 SD
50 -15 -12.0

40 -20
40 50 60 70 80 90 100 110 50 60 70 80 90 100 110 120
Enzyma c 4hr μmol/l Mean of enzyma c 4hr and jaffe 4hr μmol/l
A2 B2
110 40
30
100 +1.96 SD

90 20 20.7
10
Jaffe 6hr μmol/l 80 (enzyma c6hr - jaffe 6hr) / Mean % -10 0 Mean

-4.7
70
60 -20 -1.96 SD
-30
50 -30.2
-40
40 -50
40 50 60 70 80 90 100 110 40 50 60 70 80 90 100 110
Enzyma c 6hr μmol/l Mean of enzyma c 6hr and jaffe 6hr μmol/l
A3 B3
140 40
130 -1.96 SD
120 20 14.9
110 0
Jaffe 24hr μmol/l 100 (enzyma c 24hr - jaffe 24hr) / Mean % -20 Mean

90
-17.8
80
70 -40 -1.96 SD
60 -60 -50.5
50
40 -80
40 60 80 100 120 140 40 60 80 100 120
Enzyma c 24hr μmol/l Mean of enzyma c 24hr and jaffe 24hr μmol/l
FIGURE 3: Passing-Bablok regression curves (A) and Bland-Altman plots (B) comparing creatinine concentrations from the kinetic Jaffe method with those from the
enzymatic method. Creatinine concentrations at (1) < 4 h, (2) 6 h, (3) 24 h, (4) 48 h, (5) 72 h and (6) 96 h.
Figure 3 continues on the next page →

http://www.sajhivmed.org.za 192 Open Access