Table 2.

Peak nasal inspiratory flow (PNIF) – comparison between active and placebo on variation versus baseline.

(PNIF − baseline)/baseline × 100	Product	N	Mean (% of baseline)	SD (% of baseline)	SEM (% of baseline)
Preallergen exposure	Active	39	0.00	0.00	0.00
	Placebo	39	0.00	0.00	0.00
Time 0	Active	39	−9.79	13.03	2.09
	Placebo	39	−12.44	12.03	1.93
Time 15	Active	39	−12.79	17.19	2.75
	Placebo	39	−18.75	13.02	2.08
Time 30	Active	39	−11.72	20.06	3.21
	Placebo	39	−16.91	13.72	2.20
Time 60	Active	39	−9.26	20.19	3.23
	Placebo	39	−15.15	14.20	2.27
Time 90	Active	39	−6.51	16.45	2.63
	Placebo	39	−10.25	14.90	2.39
Time 120	Active	39	−4.01	14.96	2.40
	Placebo	39	−5.85	16.41	2.63
Preallergen exposure	Active	43	0.00	0.00	0.00
	Placebo	43	0.00	0.00	0.00
Time 0	Active	43	−9.89	13.26	2.02
	Placebo	43	−12.37	12.06	1.84
Time 15	Active	43	−12.75	17.75	2.71
	Placebo	43	−17.62	14.05	2.14
Time 30	Active	43	−11.36	20.19	3.08
	Placebo	43	−15.14	14.46	2.20
Time 60	Active	43	−10.01	20.72	3.16
	Placebo	43	−13.89	14.72	2.24
Time 90	Active	43	−6.93	18.30	2.79
	Placebo	43	−9.10	15.77	2.40
Time 120	Active	43	−4.78	16.51	2.52
	Placebo	43	−5.47	17.51	2.67

N represents the number of subjects having complete pairs for the time points in comparison. Time is expressed in minutes postallergen exposure.