Table 2.

Hospital A versus the other hospitals: distribution of patients by number of nodes examined

Number of nodes examined	Hospital A		Other hospitals		Total
	No. patients	% (95% CI)	No. patients	% (95% CI)
1–9	88	14.55 (11.68 to 17.41)	498	80.32 (77.13 to 83.52)	586
10–14	129	21.32 (17.99 to 24.65)	89	14.35 (11.54 to 17.17)	218
15–19	131	21.65 (18.30 to 25.00)	27	4.35 (2.72 to 5.99)	158
20 or more	257	42.48 (38.46 to 46.50)	6	0.97 (0.18 to 1.75)	263
Total	605	100.0	620	100.0	1225

CI, confidence interval.