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Table 3 Descriptive statistics for the different exposure scenarios and the different instruments

From: Comparison of four nanoparticle monitoring instruments relevant for occupational hygiene applications

 PVC welding N = 25Candle-burning N = 125MIC welding N = 45Cooking N = 32
#/cm3#/cm3#/cm3#/cm3
UFPSMPSAMa5.23 × 1055.24 × 1043.79 × 1045.37 × 105
SDb3.78 × 1057.79 × 1032.83 × 1043.33 × 105
GMc4.31 × 1055.18 × 1042.76 × 1043.22 × 105
GSDd1.861.182.484.17
Mine1.36 × 1052.76 × 1042.32 × 1035.97 × 103
Maxf1.71 × 1066.97 × 1041.46 × 1059.72 × 105
Median4.48 × 1055.24 × 1043.54 × 1045.73 × 105
IQRg2.21 × 1059.52 × 1032.54 × 1045.86 × 105
FMPSAM3.93 × 1051.74 × 1051.00 × 1054.46 × 105
SD1.77 × 1051.89 × 1043.37 × 1042.45 × 105
GM3.62 × 1051.72 × 1059.39 × 1043.33 × 105
GSD1.501.141.482.61
min1.62 × 1058.28 × 1042.18 × 1043.42 × 104
max9.13 × 1052.33 × 1051.95 × 1058.00 × 105
median3.70 × 1051.77 × 1059.65 × 1044.72 × 105
IQR8.73 × 1041.34 × 1044.37 × 1043.59 × 105
NanoscanAM7.55 × 1058.11 × 1047.64 × 1048.47 × 105
SD3.25 × 1051.02 × 1043.97 × 1045.70 × 105
GM6.84 × 1058.03 × 1046.79 × 1044.24 × 105
GSD1.631.151.855.29
min1.42 × 1054.67 × 1041.08 × 1046.19 × 103
max1.56 × 1061.13 × 1051.84 × 1051.62 × 106
median7.27 × 1058.13 × 1047.49 × 1041.12 × 106
IQR2.23 × 1058.71 × 1034.34 × 1041.05 × 106
TotalSMPSAM1.04 × 1065.29 × 1041.59 × 1059.19 × 105
SD3.42 × 1057.53 × 1031.03 × 1056.11 × 105
GM9.66 × 1055.23 × 1049.87 × 1045.12 × 105
GSD1.58 × 1051.17 × 1053.664.61
min1.48 × 1052.92 × 1043.08 × 1036.53 × 103
max2.07 × 1066.99 × 1043.54 × 1051.92 × 106
median1.02 × 1065.27 × 1041.61 × 1051.05 × 106
IQR1.93 × 1059.43 × 1031.28 × 1051.04 × 106
FMPSAM5.57 × 1051.75 × 1054.38 × 1055.86 × 105
SD1.59 × 1051.89 × 1042.78 × 1053.55 × 105
GM5.34 × 1051.74 × 1053.23 × 1054.08 × 105
GSD1.371.142.542.94
min1.84 × 1058.51 × 1042.18 × 1043.42 × 104
max9.70 × 1052.35 × 1059.86 × 1051.14 × 106
median5.56 × 1051.78 × 1053.95 × 1056.21 × 105
IQR9.21 × 1041.29 × 1043.75 × 1055.41 × 105
NanoscanAM1.22 × 1068.55 × 1043.71 × 1051.14 × 106
SD3.22 × 1051.05 × 1042.23 × 1058.08 × 105
GM1.14 × 1068.48 × 1042.83 × 1055.50 × 105
GSD1.591.152.445.40
min1.50 × 1054.98 × 1041.72 × 1046.83 × 103
max1.82 × 1061.19 × 1058.87 × 1052.40 × 106
median1.25 × 1068.57 × 1043.26 × 1051.47 × 106
IQR1.89 × 1058.96 × 1033.09 × 1051.48 × 106
CPCAM5.41 × 1051.55 × 1052.30 × 1054.12 × 105
SD9.10 × 1041.50 × 1041.21 × 1051.93 × 105
GM5.30 × 1051.54 × 1051.74 × 1053.09 × 105
GSD1.271.132.632.75
min2.16 × 1058.54 × 1045.24 × 1032.52 × 104
max5.82 × 1051.68 × 1054.53 × 1056.11 × 105
median5.70 × 1051.59 × 1052.26 × 1055.14 × 105
IQR1.14 × 1046.76 × 1031.52 × 1051.93 × 105
100–200 nmSMPSAM3.98 × 1053.59 × 1022.41 × 1042.96 × 105
SD1.16 × 1052.52 × 1021.60 × 1042.69 × 105
GM3.07 × 1053.08 × 1021.37 × 1041.02 × 105
GSD3.901.684.377.90
min5.24 × 1021.20 × 1023.12 × 1023.91 × 102
max5.43 × 1051.59 × 1035.51 × 1047.99 × 105
median4.14 × 1052.95 × 1022.35 × 1042.34 × 105
IQR6.24 × 1041.60 × 1022.63 × 1044.47 × 105
FMPSAM1.45 × 1051.07 × 1032.23 × 1051.29 × 105
SD4.68 × 1042.80 × 1021.76 × 1051.28 × 105
GM1.24 × 1051.03 × 1035.43 × 1042.38 × 104
GSD2.301.3332.5318.74
min2.94 × 1033.90 × 1025.00 × 1001.00 × 102
max2.20 × 1051.79 × 1035.60 × 1053.86 × 105
median1.61 × 1051.05 × 1031.94 × 1058.65 × 104
IQR5.17 × 1043.88 × 1022.32 × 1052.28 × 105
NanoscanAM4.32 × 1053.56 × 1031.37 × 1052.63 × 105
SD1.42 × 1054.44 × 1021.01 × 1052.60 × 105
GM3.61 × 1053.53 × 1038.16 × 1047.33 × 104
GSD2.541.143.948.65
min5.76 × 1032.23 × 1031.36 × 1035.96 × 102
max5.97 × 1054.86 × 1033.70 × 1057.52 × 105
median4.78 × 1053.51 × 1031.22 × 1052.65 × 105
IQR9.41 × 1045.44 × 1021.41 × 1054.96 × 105
  1. a) Arithmetric mean b) standard deviation c) geometric mean d) geometric standard deviation e) minimum concentration f) maximum concentration, g) interquartile range h) number of measurements