Table 2.

Adverse events and error rates between intervention and traditional rotas

	Traditional respiratory	Intervention endocrinology	Percentage of rate reduction (95% CI)a	P-value
Patient-days	2315	2467
Preventable adverse events, n (rateb)	5 (2.2)	4 (1.6)	−27.3 (−85.1 to 249)	0.68
Intercepted potential adverse events, n (rate)	16 (6.9)	3 (1.2)	−82.6 (−97.7 to −38.5)	0.002
Non-intercepted potential adverse events, n (rate)	56 (24.2)	41 (16.6)	−31.4 (−55.2 to 4.6)	0.067
Minor errors, n (rate)	18 (7.8)	20 (8.1)	3.8 (−52.2 to 91.0)	0.90
Overall, n (rate)	95 (41.0)	68 (27.6)	−32.7 (−52.9 to −10.4)	0.006

^aRate reduction = (rate of Endocrine – rate of Respiratory) × 100/rate of Respiratory.

^bRate is expressed as number (per 1000 patient-days).