Table 2 Descriptive analysis of the variables in each of the 3 measurements
From: Air particulate concentration during orthodontic procedures: a pilot study
Status | Variable | Centricity | Range (Min./Max.) | Variability | |||
|---|---|---|---|---|---|---|---|
Mean | 95% CI of the mean | Median | Standard deviation | Interquartile range | |||
CR | Particles 0.3µ | 6064.5 | 5936.1/6265.8 | 6007.0 | 4585/91.24 | 869.0 | 1049.8 |
(N = 74) | Particles 0.5µ | 1760.1 | 1690.2/1830.0 | 1770.0 | 1192/257.0 | 301.6 | 354.5 |
Particles 1µ | 368.2 | 347.1/389.3 | 354.0 | 210/634 | 91.1 | 11.0 | |
Particles 2.5µ | 61.1 | 56.8/65.3 | 60.5 | 18/129 | 18.4 | 20.5 | |
Particles 5µ | 5.1 | 4.6/5.6 | 5.0 | 1/12 | 2.3 | 4.0 | |
Particles 10µ | 3.2 | 2.8/3.5 | 3.0 | 0/8 | 1.6 | 2.0 | |
Temperature (ºC) | 22.2 | 22.0/22.4 | 22.0 | 21.0/23.0 5 | 0.8 | 1.0 | |
Relative humidity (%) | 42.8 | 41.9/43.6 | 42.0 | 39.0/52.0 | 3.6 | 7.0 | |
AR | Particles 0.3µ | 17,558.5 | 16,015.8/19101.2 | 16,606.5 | 4127/39797 | 7694.8 | 12,561.3 |
(N = 98) | Particles 0.5µ | 7715.2 | 6894.6/85.35.8 | 6571.5 | 1798/20353 | 4092.9 | 5220.0 |
Particles 1µ | 2077.7 | 1843.2/2312.1 | 1728.0 | 559/5660 | 1169.6 | 1448.8 | |
Particles 2.5µ | 471.0 | 414.2/527.8 | 377.0 | 104/1250 | 283.4 | 293.5 | |
Particles 5µ | 40.9 | 35.9/46.0 | 33.5 | 7/129 | 25.2 | 30.3 | |
Particles 10µ | 27.2 | 23.7/30.8 | 24.0 | 6/96 | 17.6 | 21.3 | |
Temperature (ºC) | 22.7 | 22.5/22.9 | 23.0 | 20.0/24.9 | 1.6 | 1.3 | |
Relative humidity (%) | 46.3 | 44.7/47.9 | 48.2 | 28.0/58.8 | 8.0 | 10.0 | |
BR | Particles 0.3µ | 22,726.2 | 20,840.8/24611.6 | 21,933.5 | 4991/45021 | 9404.1 | 12,556.5 |
(N = 98) | Particles 0.5µ | 9107.9 | 8250.0/9965.8 | 8881.2 | 2134/22112 | 4279.1 | 5690.3 |
Particles 1µ | 2448.9 | 22,004.5/2693.3 | 2379.5 | 731/5855 | 1219.0 | 1730.3 | |
Particles 2.5µ | 566.2 | 504.0/628.3 | 546.0 | 129/1508 | 309.8 | 433.8 | |
Particles 5µ | 59.2 | 52.1/66.4 | 56.9 | 10/164 | 35.6 | 42.0 | |
Particles 10µ | 37.9 | 33.5/42.4 | 36.4 | 10/95 | 22.4 | 27.5 | |
Temperature (ºC) | 23.1 | 22.9/23.3 | 23.1 | 20.0/25.5 | 1.1 | 2.0 | |
Relative humidity (%) | 45.3 | 43.7/46.9 | 45.6 | 27.0/60.0 | 7.9 | 8.4 |