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Table 2 Summary statistics of exposure and meteorologic parameters

From: Size-fractioned ultrafine particles and black carbon associated with autonomic dysfunction in subjects with diabetes or impaired glucose tolerance in Shanghai, China

 

Mean (SD)

PNC 5−560 (1/cm 3)

20220 (11489)

PNC 5−10 (1/cm 3)

1378 (1688)

PNC 10−20 (1/cm 3)

4032 (4087)

PNC 20−50 (1/cm 3)

6276 (4603)

PNC 50−100 (1/cm 3)

5074 (2858)

PNC 100−200 (1/cm 3)

2544 (1675)

PNC 200−560 (1/cm 3)

272 (238)

BC (μg/m 3)

4.09 (2.37)

NO 2 (ppb)

32.52 (16.89)

CO (ppm)

0.61 (0.33)

SO 2 (ppb)

6.53 (5.28)

O 3 (ppb)

25.83 (18.7)

Temperature (°C)

22.62 (6.18)

RH (%)

67.86 (12.54)

Air pressure (bar)

1013.96 (6.42)

  1. SD for standard deviation and IQR for interquatile range. The observations of all the pollutants and meteorologic parameters were obtained in 1 minute interval covering the whole period of each visit in April, June and September.
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Particle and Fibre Toxicology

ISSN: 1743-8977

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