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Volume 8, Number 6—June 2002

Research

Medical Care Capacity for Influenza Outbreaks, Los Angeles

Carol A. Glaser*Comments to Author , Sabrina Gilliam*, William W. Thompson†, David E. Dassey‡, Stephen H. Waterman*, Mitchell Saruwatari‡, Stanley Shapiro§, and Keiji Fukuda†
Author affiliations: *California Department of Health Services, Richmond, California, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ‡County of Los Angeles, Los Angeles, California, USA; §Kaiser Permanente Southern California, Los Angeles, California, USA;

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Table 2

Rates of pneumonia and influenza (P&I) deaths, hospitalizations, and claimsa

P&I deaths
LAC hospitalizationsb
KPSC hospitalizationsc
KPSC claims
Influenza period by season Count Person-wksd Rate Count Person-wksd Rate Count Person-wksd Rate Count Person-wksd Rate
Peak
4-wk period
91–92 345 36 9.5 157 8 20.6 262 5 52.4 32 5 6.4
92–93 287 37 7.8 172 8 21.7 235 5 48.5 148 5 30.5
93–94 457 37 12.3 277 9 31.8 355 5 75.2 257 5 54.5
94–95 257 37 6.9 214 9 23.6 190 5 40.5 239 5 51.0
95–96 348 37 9.3 246 9 27.4 330 5 67.3 564 5 115.0
96–97 333 38 8.8 192 9 22.6 308 5 58.1 715 5 134.8
97–98 624 38 16.3 648 9 75.3 482 6 84.3 1,0 6 265.9
Nonpeak 20-wk period
91–92 1,177 182 6.5 570 38 15.0 1,065 25 42.6 78 25 3.1
92–93 1,044 184 5.7 796 40 20.1 976 24 40.3 542 24 22.4
93–94 1,252 186 6.7 737 44 16.9 955 24 40.5 618 24 26.2
94–95 1,081 187 5.8 924 45 20.4 915 23 39.0 947 23 40.4
95–96 1,126 187 6.0 710 45 15.8 931 25 38.0 1,419 25 57.9
96–97 1,319 189 7.0 808 43 19.0 882 27 33.3 2,338 27 88.2
97–98 1,453 192 7.6 1,610 43 37.4 927 29 32.4 2,548 29 89.1

aAbbreviations used: LAC, Los Angeles County; KPSC, Kaiser Permanente Southern California.
bRepresents six LAC-funded hospitals.
cRepresents six KPSC hospitals.
dRepresents 1 million person-weeks.

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