Research Article

Nephrolepis exaltata Herbal Mask Increases Nasal IgA Levels and Pulmonary Function in Textile Factory Workers

Table 3

Mean score of FVC before and after treatment.

Group%FVC (Mean ± SD)pp
Pre-testPost-testΔ FVC

Control93.3 ± 10.2387.53 ± 8.38−5.8 ± 9.090.0330.006
Treatment86.5 ± 10.7490.0 ± 9.93.5 ± 6.140.038

SD = Standard deviation, = Paired t-test, = Mann–Whitney test.