Table 2.

Comparisons between reported meta-analysis in rate ratios and confidence limits and the proposed method.

Gareen et al (2000)5	Reported			Proposed
	RR	RRl	RRu	LRR	SERLRRu	z
	1.9	0.38	9.1	0.6418	0.7992	0.8031
	3.3	2.2	4.9	1.1939	0.2017	5.9196
	2.6	2.1	3.1	0.9556	0.0897	10.6475
	4.4	2.2	9.2	1.4816	0.3763	3.9370
	4.9	2.7	9.0	1.5892	0.3102	5.1233
	2.8	1.5	5.4	1.0296	0.3351	3.0727
	5.8	0.011	3029.0	1.7579	3.1929	0.5505
	2.1	1.4	3.2	0.7419	0.2149	3.4524
	8.6	5.3	14.0	2.1518	0.2486	8.6548
	1.9	0.38	9.3	0.6419	0.8103	0.7921
	6.4	1.5	27.0	1.8563	0.7345	2.5274
	1.9	0.48	7.8	0.6419	0.7206	0.8908
	2.2	1.7	2.7	0.7885	0.1045	7.5460
	2.1	1.6	2.8	0.7419	0.1468	5.0549
	2.9	1.8	4.7	1.0647	0.2464	4.3219
	1.1	0.26	4.6	0.0953	0.7300	0.1306
	2.3	1.2	4.7	0.8329	0.3646	2.2843
	9.3	3.9	23.0	2.2300	0.4620	4.8271
	2.3	0.91	6.0	0.8329	0.4892	1.7026
	2.9	2.1	4.0	1.0647	0.1641	6.4892
	4.1	1.1	15.0	1.4110	0.6618	2.1322
	2.3	1.4	3.8	0.8329	0.2562	3.2514
	17.0	7.8	37.0	2.8332	0.3968	7.1404
	12.0	0.98	135.0	2.4849	1.2349	2.0123
	11.0	3.4	35.0	2.3979	0.5905	4.0605
	1.5	0.77	2.8	0.4055	0.3185	1.2733
	6.7	1.1	40.0	1.9021	0.9116	2.0865
	10.0	3.1	33.0	2.3026	0.6091	3.7800
	132.0	57.0	304.0	4.8828	0.4256	11.4721
	9.0	1.5	54.0	2.1972	0.9142	2.4035
	1.9	1.3	2.8	0.6419	0.1978	3.2443
	12.0	3.4	45.0	2.4849	0.6744	3.6848

RR, rate ratio; RR_l, 95% lower confidence limit; RR_u, 95% upper confidence limit; LRR, log-rate ratio; SERLRR_u, standard error of LRR using RR_u.