Table 5.

Analysis of within-cat activity data ( n = 35), showing the number and percentage of cats in which hourly activity counts were significantly higher during either placebo (P) or robenacoxib (R) treatment for each method of partitioning the data.

Group	n (% of total) of cats with activity R > P	n (% of total) of cats with activity P > R	P value	Difference in response rates (R – P)	NNT
Total mean hourly values, entire day	8 (22.9%)	2 (5.71%)	0.058	17.2%	5.83
Non-zero mean hourly values, entire day	10 (28.6%)	2 (5.71%)	0.021*	22.9%	4.37
Dusk-to-dawn mean hourly values	9 (25.7%)	2 (5.71%)	0.035*	20.0%	5.0
Non-zero mean hourly values, dusk-to-dawn	6 (17.1%)	1 (2.86%)	0.059	14.3%	7.0

NNT number needed to treat.

*Significance at 0.05 level, n = number