Table 1.
Comparison of different respiratory specimen processing steps.
| Extraction methods |
P values |
|||||
|---|---|---|---|---|---|---|
| PKH | Heat only | Direct | PKH vs heat only | PKH vs direct | Heat only vs direct | |
| All Samples | ||||||
| (n = 50) | ||||||
| Positive | 40 (80) | 29 (58) | 28 (56) | 0.001 | 0.002 | 1.000 |
| Negative | 10 (20) | 21 (42) | 22 (44) | |||
| NPS | ||||||
| (n = 25) | ||||||
| Positive | 21 (84) | 15 (60) | 17 (68) | 0.031 | 0.0125 | 0.500 |
| Negative | 4 (16) | 10 (40) | 8 (32) | |||
| Saliva | ||||||
| (n = 25) | ||||||
| Positive | 19 (76) | 14 (56) | 11 (44) | 0.063 | 0.021 | 0.453 |
| Negative | 6 (24) | 11 (44) | 14 (56) | |||
Data are expressed as no. (%).