Table 2 Relation of FNAC result on Concentrated and direct ZN smear positivity compared with direct PCR positivity
FNAC result | Total cases % (N) | Direct ZN staining | Concentrated ZN staining | Direct PCR | |||
|---|---|---|---|---|---|---|---|
Positive % (n/N) | Negative % (n/N) | Positive % (n/N) | Negative % (n/N) | Positive % (n/N) | Negative % (n/N) | ||
TBLN | 91.7 (121/132) | 32.2 (39/121) | 67.8 (82/121) | 69.0 (83/121) | 31.4 (38/121) | 71.9 (87/121) | 28.1 (34/121) |
Suppurative abscess | 3 (4/132) | 0.0 (0/4) | 100 (4/4) | 25.0 (1/4) | 75.0 (3/4) | 25.0 (1/4) | 75.0 (3/4) |
Reactive LN | 2.3 (3/132) | 0.0 (0/3) | 100 (3/3) | 66.7 (2/3) | 33.3 (1/3) | 66.7 (2/3) | 33.3 (1/3) |
Others diagnosis | 3 (4/132) | 0.0 (0/4) | 100 (4/4) | (0.0) 0/4 | 100 (4/4) | 25.0 (1/4) | 75 (3/4) |