Table 2.

Mean PNIF values and change rates in the groups showing recovery and no recovery

	Presence of recovery M±SD	No recovery M±SD	p
PNIF 1	66.21±13.64	62.94±10.61	0.393
PNIF 2	87.03±15.95	76.41±11.27	0.018
PNIF 3	97.36±16.07	70.00±11.22	0.001
PNIF 2 chn %	31.45±7.77	20.70±5.24	0.001
PNIF 3 chn %	63.52±6.44	9.53±2.80	0.024

PNIF: peak nasal inspiratory flow; chn: change; M: mean; SD: standard deviation