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Table 3 Visits by event year, warning status, and city

From: Hospital, health, and community burden after oil refinery fires, Richmond, California 2007 and 2012

Year Warned ZIP-code City Visits 4-weeks Rel Risk
Before After RR LCL UCL P-Val
2007 Yes Warned BAY (0–4 mi) 3995 4463 1.12 1.07 1.17 < 0.0001
94801 Richmond 1556 1587 1.02 0.95 1.09 0.5701
94804 Richmond 912 1124 1.23 1.13 1.34 < 0.0001
94805 Richmond 247 241 0.98 0.82 1.16 0.7850
94806 San Pablo 1280 1511 1.18 1.10 1.27 < 0.0001
No Not warned BAY (4–10 mi) 1510 1690 1.12 1.05 1.20 0.0006
94530 El Cerrito 302 320 1.06 0.91 1.24 0.4501
94803 El Sobrante 456 500 1.10 0.97 1.24 0.1299
94564 Pinole 277 325 1.17 1.00 1.37 0.0314
94547 Hercules 311 345 1.11 0.95 1.29 0.1554
94572 Rodeo 164 200 1.22 1.00 1.49 0.0344
Rest of County (10+ mi) 14127 15700 1.11 1.09 1.14 < 0.0001
2012 Yes Warned BAY (0–4 mi) 4690 17312 3.69 3.57 3.81 < 0.0001
94801 Richmond 1261 6102 4.84 4.56 5.14 < 0.0001
94804 Richmond 1415 4756 3.36 3.17 3.57 < 0.0001
94805 Richmond 271 764 2.82 2.46 3.23 < 0.0001
94806 San Pablo 1743 5690 3.26 3.10 3.44 < 0.0001
No Not warned BAY (4–10 mi) 1819 2784 1.53 1.44 1.62 < 0.0001
94530 El Cerrito 310 438 1.41 1.22 1.63 < 0.0001
94803 El Sobrante 557 994 1.78 1.61 1.98 < 0.0001
94564 Pinole 374 499 1.33 1.17 1.52 < 0.0001
94547 Hercules 342 505 1.48 1.29 1.69 < 0.0001
94572 Rodeo 236 398 1.69 1.44 1.98 < 0.0001
Rest of County (10+ mi) 17988 18892 1.05 1.03 1.07 < 0.0001