Table 3.

Cohen’s kappa with confidence interval for each indicator, defining a “new prescription” as one issued 21, 28, and 35 days after a previous one (n = number of prescriptions analyzed)

Indicator	Type of antibiotic	21 days		28 days		35 days
		Cohen’s kappa	95% CI	Cohen’s kappa	95% CI	Cohen’s kappa	95% CI
1	Amoxicillin with clavulanic acid (n = 197)	0.90	0.83–0.97	0.93	0.87–0.99	0.99	0.96–1.00
2	Macrolides (n = 171)	0.76	0.63–0.89	0.87	0.78–0.96	0.93	0.82–1.00
3	Quinolones (n = 176)	0.79	0.69–0.88	0.89	0.82–0.96	0.93	0.87–0.98
4	Amoxicillin, doxycillin, nitrofurantoin (n = 681)	0.81	0.78–0.87	0.86	0.85–0.92	0.92	0.90–0.98
1–4	Pooled antibiotics of indicators 1–4 (n = 1,225)	0.83	0.77–0.88	0.89	0.86–0.94	0.93	0.92–0.98