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. 2021 Sep 4;101(4):115536. doi: 10.1016/j.diagmicrobio.2021.115536

Table 1.

(A-D): 2 × 2 tables of (A) All RT-PCR/TMA methods versus ID NOW; (B) Xpert Xpress by GeneXpert Infinity versus ID NOW; (C) Panther Fusion versus ID NOW; and (D) Panther TMA versus ID NOW.

All Reference Methods
POS NEG TOTAL
ID NOW POS 282 138 420
NEG 119 2781 2900
TOTAL 401 2919 3320

Xpert Xpress RT-PCR
POS NEG TOTAL
ID NOW POS 56 23 79
NEG 41 700 741
TOTAL 97 723 820

Panther (Fusion) RT-PCR
POS NEG TOTAL
ID NOW POS 75 56 131
NEG 36 879 915
TOTAL 111 935 1046

Panther TMA
POS NEG TOTAL
ID NOW POS 151 59 210
NEG 42 1202 1244
TOTAL 193 1261 1454

POS = positive; NEG = negative; PPA = positive percentage agreement; NPA = negative percent agreement; OPA = overall percent agreement; TMA = Transcription mediated amplification).

(a)PPA: 70.3% (95% CI: 65.6 – 74.8%)

NPA: 95.3% (95% CI: 94.4 – 96.0%)

OPA: 92.3% (95% CI: 91.3 – 93.2%)

(b) PPA: 57.7% (95% CI: 47.3 – 67.7%)

NPA: 96.8% (95% CI: 95.3 – 98.0%)

OPA: 92.2% (95% CI: 90.1 – 93.9%)

(c) PPA: 67.6% (95% CI: 58.0 – 76.2%)

NPA: 94.0% (95% CI: 92.3 – 95.4%)

OPA: 91.2% (95% CI: 89.3 – 92.9%)

(d)PPA: 78.2% (95% CI: 71.7 – 83.8%)

NPA: 95.3% (95% CI: 94.0 – 96.4%)

OPA: 93.1% (95% CI: 91.6 – 94.3%)