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. Author manuscript; available in PMC: 2012 Aug 13.
Published in final edited form as: J Infect Dis. 2009 Aug 15;200(4):501–509. doi: 10.1086/599992

Table 1.

Demographics

Vaccine Dose Group
Baseline Characteristics 90 mcg
(n=25)
120 mcg
(n=25)
180 mcg
(n=25)
P value
Age1
  Mean 40.4 39.6 34.8 0.18
  Std Dev 11.1 12.4 10.9
  Min-Max 21-58 18-58 22-57

Sex2
  Female 15 13 13 0.88
  Male 10 12 12

Race2
  White 17 19 14 0.26
  Black 3 2 7
  Asian 3 2 4
  Hispanic 0 2 0
  American Indian 1 0 0
  Other 1 0 0

Baseline HAI1
  Geometric Mean 5.7 5.1 5.6 0.53
  Geometric Std Dev 1.5 1.1 1.7
Baseline MN1
  Geometric Mean 10.0 11.4 11.8 0.01
  Geometric Std Dev 1.0 1.2 1.4
1

Analysis of variance;

2

Fisher’s exact test.