Table 2 Ct value and melting temperatues Tm of clinical samples tested by TaqMan-based and SYBR Green-based RT- qPCR protocols.
Sample No | Probe based assay (Ct value) | SYBR Green-based assay | ||
---|---|---|---|---|
ORF1ab | N | Ct value | Tm (oC) | |
1 | 16.30 | 12.95 | 13.60 | 82.45 |
2 | 16.82 | 13.90 | 15.18 | 82.24 |
3 | 18.00 | 15.85 | 18.65 | 82.24 |
4 | 18.62 | 16.17 | 18.18 | 82.24 |
5 | 19.05 | 16.34 | 17.82 | 82.24 |
6 | 19.36 | 16.67 | 18.86 | 82.24 |
7 | 20.08 | 17.22 | 18.03 | 82.24 |
8 | 20.74 | 18.48 | 18.22 | 82.45 |
9 | 21.30 | 18.76 | 21.77 | 82.24 |
10 | 21.98 | 19.53 | 22.87 | 82.03 |
11 | 22.20 | 20.28 | 22.35 | 82.03 |
12 | 24.71 | 21.62 | 24.68 | 82.17 |
13 | 22.98 | 21.66 | 26.10 | 82.24 |
14 | 24.71 | 20.00 | 22.08 | 82.33 |
15 | 25.72 | 22.85 | 24.07 | 82.03 |
16 | 25.72 | 22.90 | 26.05 | 82.24 |
17 | 26.92 | 22.94 | 26.59 | 82.45 |
18 | 29.96 | 27.66 | 29.07 | 82.24 |
19 | 32.41 | 29.73 | 31.11 | 82.24 |
20 | 32.53 | 30.37 | 33.27 | 82.24 |
21 | nd | nd | nd | – |
22 | nd | nd | nd | – |
23 | nd | nd | nd | – |
24 | nd | nd | nd | – |
25 | nd | nd | nd | – |
26 | nd | nd | nd | – |
27 | nd | nd | nd | – |
28 | nd | nd | nd | – |
29 | nd | nd | nd | – |
30 | nd | nd | nd | – |
31 | 32.20 | 31.72 | 34.88 | 81.95 |
32 | 31.28 | 28.86 | 29.08 | 81.95 |
33 | 27.79 | 27.45 | 32.34 | 82.16 |
34 | 30.04 | 28.08 | 32.05 | 82.38 |
35 | 31.00 | 29.83 | 33.59 | 82.59 |
36 | 30.04 | 31.57 | 34.07 | 82.16 |
37 | nd | nd | nd | – |
38 | 32.54 | 30.87 | 35.54 | 82.16 |
39 | nd | nd | nd | – |
40 | nd | nd | nd | – |
41 | nd | nd | nd | – |
42 | 32.39 | 32.82 | 34.71 | 81.95 |
43 | 30.47 | 32.49 | 34.47 | 81.09 |
44 | nd | nd | nd | – |
45 | nd | nd | nd | – |
46 | nd | nd | nd | – |
47 | 20.16 | 20.43 | 23.44 | 82.38 |
48 | nd | nd | nd | – |
49 | 27.75 | 26.79 | 29.77 | 81.30 |
50 | 32.31 | 31.06 | 34.56 | 82.38 |
51 | 31.51 | 31.32 | 35.86 | 82.16 |
52 | 33.46 | 29.73 | 30.21 | 82.16 |
53 | nd | nd | nd | – |
54 | 30.07 | 29.69 | 31.21 | 82.16 |
55 | 30.54 | 30.12 | 34.16 | 81.95 |
56 | nd | nd | nd | – |
57 | nd | nd | nd | – |
58 | 28.09 | 29.46 | 33.54 | 81.95 |
59 | 20.63 | 20,89 | 22.37 | 82.16 |
60 | 30.33 | 29.33 | 29.93 | 82.16 |
61 | 20.60 | 21.15 | 23.84 | 82.16 |
62 | 31.35 | 30.07 | 33.61 | 81.73 |
63 | 33.26 | 32.22 | 34.29 | 81.52 |
64 | 31.16 | 29.29 | 34.13 | 81.73 |
65 | 27.08 | 27.19 | 30.47 | 81.73 |
66 | 24.43 | 25.32 | 29.04 | 81.73 |
67 | 28.58 | 27.41 | 30.14 | 81.73 |
68 | 31.52 | 30.98 | 35.82 | 81.95 |
69 | 33.80 | 33.47 | 33.38 | 81.95 |
70 | 32.31 | 31.16 | 34.42 | 81.73 |
71 | nd | nd | nd | – |
72 | nd | nd | nd | – |
73 | 17.6 | 18.06 | 23.13 | 82.31 |
74 | nd | nd | nd | – |
75 | 20.29 | 21.36 | 25.88 | 82.52 |
76 | nd | nd | nd | – |
77 | 25.5 | 27.6 | 31.00 | 82.09 |
78 | 17.8 | 19.8 | 21.91 | 82.52 |
79 | 29.70 | 31.20 | 32.81 | 82.09 |
80 | 19.20 | 20.05 | 23.30 | 82.09 |
81 | 27.70 | 30.11 | 31.81 | 82.09 |
82 | 30.12 | 29.55 | 32.04 | 82.09 |
83 | nd | nd | nd | – |
84 | nd | nd | nd | – |
85 | nd | nd | nd | – |
86 | nd | nd | nd | – |
87 | nd | 31.22 | 34.22 | 82.52 |
88 | 19.08 | 20.08 | 25.40 | 82.09 |
89 | 17.88 | 19.30 | 23.17 | 82.30 |
90 | 15.90 | 17.00 | 21.50 | 82.09 |
91 | nd | nd | nd | – |
92 | 27.11 | 28.40 | 31.28 | 82.74 |
93 | nd | nd | nd | – |
94 | nd | nd | nd | – |
95 | 19.77 | 21.80 | 22.69 | 82.52 |
96 | nd | nd | nd | – |
97 | – | 31.59 | 35.86 | 82.16 |
98 | nd | nd | 37.69 | 78.72* |
99 | nd | nd | nd | – |
100 | nd | nd | nd | – |
101 | – | 34.46 | 35.31 | 81.95 |
102 | nd | nd | nd | – |
103 | nd | nd | nd | – |
104 | nd | nd | 37.81 | 77.21* |
105 | 31.08 | 28.50 | 30.22 | 81.95 |
106 | nd | nd | nd | – |
107 | nd | nd | nd | – |
108 | 27.75 | 26.62 | 32.53 | 82.16 |
109 | nd | nd | nd | – |
110 | 27.47 | 27.36 | 33.62 | 82.38 |
111 | 19.06 | 19.07 | 24.36 | 82.38 |
112 | 16.06 | 17.47 | 22.56 | 82.38 |
113 | 20.13 | 20.62 | 26.84 | 82.38 |
114 | 15.12 | 16.02 | 21.80 | 82.38 |
115 | 27.17 | 27.55 | 33.04 | 81.95 |
116 | 18.26 | 18.69 | 23.40 | 82.16 |
117 | 23.88 | 24.76 | 28.21 | 82.16 |
118 | 27.48 | 29.74 | 33.76 | 81.73 |
119 | 16.69 | 17.31 | 22.16 | 82.38 |
120 | 28.82 | 30.47 | 33.14 | 82.16 |
121 | 27.22 | 29.54 | 33.25 | 82.16 |
122 | 29.99 | 31.86 | 32.12 | 82.16 |
123 | 30.99 | 29.34 | 32.40 | 82.16 |
124 | 21.20 | 21.25 | 23.74 | 82.59 |