TABLE 2.

TB case rates in Palm Beach County, 1994–2005, by racial group

Year	Western Palm Beach County*				Eastern Palm Beach County†
	TB cases n		Average annual TB case rate/100 000		TB cases n		Average annual TB case rate/100 000
	Blacks	Non-Blacks	Blacks‡	Non-Blacks§	Blacks	Non-Blacks	Blacks¶	Non-Blacks#
1994–1997	107	15	136	25	213	184	34	4.7
1998–2001	50	8	64	13	143	143	23	1.0
2002–2005	31	4	40	6.6	153	187	25	1.2

^*Zip codes 33430, 33438, 33476 and 33493.

^†All other zip codes in Palm Beach County.

^‡χ² test for trend, P < 0.0001.

^§χ² test for trend, P < 0.01.

^¶χ² test for trend, P = 0.22.

^#χ² test for trend, P = 0.87.

TB = tuberculosis.