Table 3. Open in new tab Test of...

Scale	Patient Global Assessment of ILI Severity	F Value
Nose	1.0 (0.8)^a^,^b	1.5 (1.0)^a	1.8 (1.2)^b	10.5
Throat	0.4 (0.7)^a^,^b	1.2 (1.0)^a	1.4 (0.9)^b	24.7
Eyes	0.3 (0.6)^a^,^b	0.9 (1.0)^a^,^c	1.6 (1.1)^b^,^c	26.4
Systemic	0.8 (0.7)^a^,^b	1.8 (0.8)^a^,^c	2.5 (0.8)^b^,^c	62.9
Respiratory	0.6 (0.5)^a^,^b	1.3 (0.6)^a^,^c	1.7 (0.6)^b^,^c	47.7
GI	0.4 (0.4)^a^,^b	0.8 (0.6)^a^,^c	1.3 (0.9)^b^,^c	32.7
Senses	1.2 (1.5)^a^,^b	1.9 (1.6)^a	2.2 (1.6)^b	5.6
Total (not including senses)	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.6)^b^,^c	74.4
Total	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.5)^b^,^c	64.1

Scale	Patient Global Assessment of ILI Severity	F Value
Nose	1.0 (0.8)^a^,^b	1.5 (1.0)^a	1.8 (1.2)^b	10.5
Throat	0.4 (0.7)^a^,^b	1.2 (1.0)^a	1.4 (0.9)^b	24.7
Eyes	0.3 (0.6)^a^,^b	0.9 (1.0)^a^,^c	1.6 (1.1)^b^,^c	26.4
Systemic	0.8 (0.7)^a^,^b	1.8 (0.8)^a^,^c	2.5 (0.8)^b^,^c	62.9
Respiratory	0.6 (0.5)^a^,^b	1.3 (0.6)^a^,^c	1.7 (0.6)^b^,^c	47.7
GI	0.4 (0.4)^a^,^b	0.8 (0.6)^a^,^c	1.3 (0.9)^b^,^c	32.7
Senses	1.2 (1.5)^a^,^b	1.9 (1.6)^a	2.2 (1.6)^b	5.6
Total (not including senses)	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.6)^b^,^c	74.4
Total	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.5)^b^,^c	64.1

Table 3.

Test of Known-Groups Validity, as Assessed by FLU-PRO Plus, Comparing FLU-PRO Plus Domain and Total Scores With 3 Categories of Severity on the Patient Global Assessment of Influenza-like Illness Scale, Using Analysis of Variance and Pairwise t Tests

Scale	Patient Global Assessment of ILI Severity			F Value
	No/Mild	Moderate	Severe/Very Severe
	(n=148)	(n=63)	(n=15)
Nose	1.0 (0.8)^a^,^b	1.5 (1.0)^a	1.8 (1.2)^b	10.5
Throat	0.4 (0.7)^a^,^b	1.2 (1.0)^a	1.4 (0.9)^b	24.7
Eyes	0.3 (0.6)^a^,^b	0.9 (1.0)^a^,^c	1.6 (1.1)^b^,^c	26.4
Systemic	0.8 (0.7)^a^,^b	1.8 (0.8)^a^,^c	2.5 (0.8)^b^,^c	62.9
Respiratory	0.6 (0.5)^a^,^b	1.3 (0.6)^a^,^c	1.7 (0.6)^b^,^c	47.7
GI	0.4 (0.4)^a^,^b	0.8 (0.6)^a^,^c	1.3 (0.9)^b^,^c	32.7
Senses	1.2 (1.5)^a^,^b	1.9 (1.6)^a	2.2 (1.6)^b	5.6
Total (not including senses)	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.6)^b^,^c	74.4
Total	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.5)^b^,^c	64.1

Scale	Patient Global Assessment of ILI Severity			F Value
	No/Mild	Moderate	Severe/Very Severe
	(n=148)	(n=63)	(n=15)
Nose	1.0 (0.8)^a^,^b	1.5 (1.0)^a	1.8 (1.2)^b	10.5
Throat	0.4 (0.7)^a^,^b	1.2 (1.0)^a	1.4 (0.9)^b	24.7
Eyes	0.3 (0.6)^a^,^b	0.9 (1.0)^a^,^c	1.6 (1.1)^b^,^c	26.4
Systemic	0.8 (0.7)^a^,^b	1.8 (0.8)^a^,^c	2.5 (0.8)^b^,^c	62.9
Respiratory	0.6 (0.5)^a^,^b	1.3 (0.6)^a^,^c	1.7 (0.6)^b^,^c	47.7
GI	0.4 (0.4)^a^,^b	0.8 (0.6)^a^,^c	1.3 (0.9)^b^,^c	32.7
Senses	1.2 (1.5)^a^,^b	1.9 (1.6)^a	2.2 (1.6)^b	5.6
Total (not including senses)	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.6)^b^,^c	74.4
Total	0.6 (0.5)^a^,^b	1.4 (0.6)^a^,^c	1.9 (0.5)^b^,^c	64.1

Data are presented as mean (standard deviation) unless otherwise indicated.

Abbreviations: GI, gastrointestinal; ILI, influenza-like illness.

No/mild symptoms compared with moderate symptoms (P<.05).

No/mild symptoms compared with severe symptoms (P<.05).

Moderate symptoms compared with severe symptoms (P<.05).

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