TLC
Sensitivity(%)
Specificity(%)
PPV(%)
NPV (%)
800
31.2
100
100
81
900
33.8
98
86.2
81.4
1000
39
96.5
78.9
82.3
1100
45.5
95.1
76.1
93.7
1200
54.5
91.6
68.9
85.5
1300
63.6
87.6
63.6
87.6
1400
70.1
81.4
56.2
88.9
1500
77.9
71.7
48.4
90.5
1600
77.9
65.9
43.8
89.8
1700
84.4
61.1
42.5
92
1800
84.4
58
40.6
91.6
1900
87
49.6
37
91.8
2000
88.3
44.7
35.2
91.8
Table 1:
Combine Sensitivity, Specificity, Positive Predictive Value (PPV) And Negative Predictive Value (NPV) Of TLC Counts For Absolute CD4
+
T Cell Count <200 Cells/mm
3
.
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