Table S3.

Meta-analysis results on diagnostic efficacy of CT on size of metastatic lymph nodes

Unit	Node size (mm)	SEN (95% CI)	SPE (95% CI)	AUC (SE)	Q* (SE)
Level I	5	0.947	0.550
	8	0.722 (0.465–0.903)	0.966 (0.928–0.988)
	10	0.617 (0.464–0.755)	0.864 (0.770–0.930)
	11	0.556	0.565
	12	0.821	0.850
	15	0.802 (0.711–0.875)	0.677 (0.573–0.771)	0.8519 (0.0818)	0.7830 (0.0776)
Level II	5	0.947	0.550
	8	0.769	0.917
	9	0.500	0.970
	10	0.607 (0.468–0.735)	0.510 (0.363–0.656)	0.7272 (0.1426)	0.6747 (0.1157)
	11	0.556	0.565
	12	0.821	0.850
	15	0.802 (0.711–0.875)	0.818 (0.746–0.876)	0.9083 (0.0599)	0.8402 (0.0658)
Level III	5	0.947	0.550
	6	0.500	0.970
	8	0.500	0.970
	10	0.746 (0.659–0.820)	0.809 (0.739–0.867)	0.8499 (0.0783)	0.7811 (0.0740)
	12	0.821	0.850
	15	0.723 (0.574–0.844)	0.577 (0.432–0.713)
Level IV	5	0.947	0.550
	7	0.500	0.970
	8	0.500	0.970
	10	0.746 (0.659–0.820)	0.809 (0.739–0.867)	0.8499 (0.0783)	0.7811 (0.0740)
	12	0.821	0.850
	15	0.723 (0.574–0.844)	0.577 (0.432–0.713)
Retro	5	0.947	0.550
	8	0.500	0.970
	10	0.746 (0.659–0.820)	0.809 (0.739–0.867)	0.8499 (0.0783)	0.7811 (0.0740)
	12	0.821	0.850
	15	0.723 (0.574–0.844)	0.577 (0.432–0.713)
Others	5	0.947	0.550
	8	0.500	0.970
	10	0.746 (0.659–0.820)	0.809 (0.739–0.867)	0.8499 (0.0783)	0.7811 (0.0740)
	12	0.821	0.850
	15	0.723 (0.574–0.844)	0.577 (0.432–0.713)

Abbreviations: CT, computed tomography; SEN, sensitivity; CI, confidence interval; SPE, specificity; AUC, area under the curve; SE, standard error.