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Table 1 Summary statistics on individuals at baseline and summary statistics for medical costs by component

From: Geographic variation in the costs of medical care for people living with HIV in British Columbia, Canada

   Individuals (n) (%)
Baseline sample characteristics (n = 9577)
 Female   1917 20%
Period of diagnosis:
< 1996   1297 13.5%
1997–1999   2186 22.8%
2000–2003   1657 17.3%
2004–2007   1789 18.7%
2008–2014   2648 27.6%
HIV risk group:
PWID   2363 24.7%
MSM   3116 32.5%
MWID   753 7.9%
HETa   3345 34.9%
Age (median)   45.5
  Cost Component
Hospitalization Physician Billings Non-ART Prescriptions ART Prescriptions Total Costs
Zero-cost observations (%) 94.6% 13.4% 34.8% 27.6% 5.0%
Positive-cost observations
Mean $14,273 $530 $711 $4741 $5712
SD ($19,635) ($946) ($1376) ($1260) ($7005)
Skewness 4.2 7.7 9.4 1.9 10.7
Kurtosis 28.8 99.1 202.6 7 213.5
50th percentile $7629 $287 $239 $4689 $5262
99th percentile $96,497 $4638 $5519 $9884 $31,362
  1. ART Antiretroviral Therapy, PWID People who inject drugs, MSM Men who have sex with men, HET Heterosexual
  2. a−Includes those in other and unknown HIV risk groups