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Volume 20, Number 4—April 2014
Research

Efficiency of Points of Dispensing for Influenza A(H1N1)pdm09 Vaccination, Los Angeles County, California, USA, 2009

Shubhayu SahaComments to Author , Brandon Dean, Steven Teutsch, Rebekah H. Borse, Martin I. Meltzer, DeeAnn Bagwell, Alonzo Plough, and Jonathan Fielding
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S. Saha, R.H. Borse, M.I. Meltzer); Los Angeles County Department of Public Health, Los Angeles, California, USA (B. Dean, S. Teutsch, D. Bagwell, A. Plough, J. Fielding)

Main Article

Table 2

Factors affecting average number of patients vaccinated per hour (throughput) per influenza vaccine POD event, Los Angeles County, California, USA, October 23–December 8, 2009*†‡

Variable† No. persons/h (95% CI) SE‡ p value
Baseline 251.19 (124.43 to 377.95) 64.68 0.00
Patient demographic
Age 0–9 y –2.54 (–5.87 to 0.79) 1.70 0.14
Pregnancy 4.55 (–0.78 to 9.88) 2.72 0.09
Contraindications –2.53 (–6.14 to 1.09) 1.85 0.17
Preexisting medical conditions 1.38 (–1.69 to 4.44) 1.56 0.38
POD data
Vaccine mix –2.32 (–3.69 to –0.96) 0.70 0.00
Clinical staff time –1.14 (–2.33 to 0.06) 0.61 0.06
Queue length 32.05 (18.57 to 45.53) 6.88 0.00
PODs same day –3.21 (–8.06 to 1.63) 2.47 0.19
Influenza clinic in same location before 2009 37.32 (–13.78 to 88.43) 26.07 0.15
Period of vaccine shortage –17.56 (–64.43 to 29.31) 23.92 0.46

*N = 101. Adjusted R2 = 0.57; Wald χ2 = 144.6 (Prob > χ2 = 0.00). POD, point of distribution; throughput, average vaccine doses administered per hour per POD event; vaccine mix, percentage of live-attenuated monovalent vaccine (LAMV); clinical staff time, percentage of clinical staff hours; queue length, average number of patients in queue outside PODs per hour per event; PODs same day, number of POD events held on the same day.
†The analysis estimates the effect of these variables on the baseline number of persons vaccinated per hour per individual POD. For example, 1% increase in LAMV reduced throughput by 2.32 persons vaccinated per hour.
‡Robust clustered SEs with POD as clustering variable.

Main Article

CrossRef reports the supplement should be "Supplement" not "Suppl 5" in reference 2 "Glazner, Beaty, Berman, 2009".

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Medline cannot find the journal "Challenges, Explorations, and Breakthroughs." (in reference 17 "Lee, Smalley, Zhang, Pietz, Benecke, 2009"). Please check the journal name.

Cannot find a title to match the journal "Challenges, Explorations, and Breakthroughs." (in reference 17 "Lee, Smalley, Zhang, Pietz, Benecke, 2009").

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