Table 2.

Adjusted textbook process (TP) scores per hospital

Hospital	Number of patients	TP rate	Observed TP	Expected TP	O/E ratio	95% CI lower*	95% CI upper*
1	307	38.11	117	177.35	0.66	0.86	1.15
2	205	75.61	155	117.75	1.32	0.83	1.19
3	281	62.63	176	159.01	1.11	0.85	1.16
4	327	48.32	158	184.41	0.86	0.86	1.15
5	251	58.57	147	141.37	1.04	0.84	1.17

O/E observed/expected, CI confidence interval

*Confidence interval per hospital for observed = expected