Table 1.

Summary of statistical results.

Snapshot interval	Number of devices	With fog, mean (SD)	With fog, 95% CI	Without fog, mean (SD)	Without fog, 95% CI
1	10	90.43 (0.45)	90.11-90.76	89.74 (0.05)	89.69-89.79
1	20	90.53 (0.33)	90.30-90.77	89.74 (0.06)	89.69-89.79
1	30	90.61 (0.23)	90.45-90.78	89.74 (0.04)	89.71-89.78
1	40	90.55 (0.24)	90.38-90.72	89.76 (0.05)	89.71-89.90
5	10	87.39 (0.70)	86.89-87.89	86.04 (0.13)	85.94-86.13
5	20	86.59 (0.21)	86.44-86.73	85.91 (0.06)	85.86-85.95
5	30	87.02 (0.46)	86.70-87.34	86.01 (0.09)	85.95-86.08
5	40	87.30 (0.27)	87.12-87.50	86.00 (0.07)	85.95-86.05
10	10	82.85 (0.73)	82.34-83.38	81.36 (0.11)	81.27-81.44
10	20	83.28 (0.63)	82.83-83.72	81.42 (0.11)	81.33-81.50
10	30	82.62 (0.59)	82.80-83.03	81.33 (0.12)	81.24-81.43
10	40	82.7 (0.37)	82.43-82.95	81.36 (0.07)	81.31-81.41