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. 2017 Apr 3;11(4):e0005427. doi: 10.1371/journal.pntd.0005427

Table 5. Selected questions of the rabies laboratory practices questionnaire and results.

Survey Item and Response Freq. Percent Sensitivity(Mean) Test Stat p-value
Service and maintenance records available - 8.0 0.19
Yes 21 91 0.79 - -
No 2 9 0.56 - -
Has calibration programs for the laboratory instruments - 51.0 0.94
Yes 16 70 0.78 - -
No 7 30 0.76 - -
Has an official (institutional) DFA protocol - 58.5 0.06
Yes 19 83 0.74 - -
No 4 17 0.92 - -
Approval and/or rejection criteria of samples established and written - 25.5 0.39
Yes 4 17 0.85 - -
No 19 83 0.76 - -
# of people who read slides per test - 71.5 0.49
1 11 48 0.75 - -
2–3 12 52 0.79 - -
Performs confirmatory test(s) on weak or inconclusive samples - 46.5 0.09
Yes 20 87 0.74 - -
No 3 13 0.91 - -
Participates in a proficiency program for rabies - 54.0 0.94
Yes 8 35 0.78 - -
No 15 65 0.77 - -
Routinely checks VNA titer of all rabies lab employees - 54.5 0.95
Yes 15 65 0.78 - -
No 8 35 0.76 - -
Area of brain used for samples (labs may report >1 area) - - -
Hippocampus 17 74 - - -
Cerebellum 16 70 - - -
Cortex 11 48 - - -
Brain Stem (medulla oblongata) 11 48 - - -
Pons 2 9 - - -
Thalamus 1 4 - - -
Spinal cord 1 4 - - -
Olfactory Trigone 1 4 - - -
# of Anti-Rabies Conjugates Used - 5.0 0.11
1 20 87 0.75 - -
2 3 13 0.96 - -
Uses rabies negative control FITC labeled Conjugate - 52.5 0.45
Yes 5 22 0.72 - -
No 18 78 0.79 - -
Slide Incubation Time (Minutes) - 20.5 0.47
30 or less 20 87 0.76 - -
>30 3 13 0.84 - -