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Table 2 Ruggedness P values according to one-way ANOVA by constituent

From: Evaluation of an online, real-time, soft-photon ionisation time-of-flight mass spectrometer for mainstream tobacco smoke analysis

AnalyteMean ± SD, μg/cig (n = 30)LOQa, μgCapillary (new vs used)Ferrule (new vs used)DayTime (a.m. vs p.m.)Treatment
Acetaldehyde387.4 ± 54.2170.2900.1560.0740.8080.704
1,3-Butadiene27.3 ± 3.33.50.6760.7250.0840.5180.798
Acetone174.7 ± 16.60.90.9800.830.014b0.8300.796
Isoprene270.9 ± 36.92.10.8260.96< 0.001b0.8090.878
2-Butanone61.8 ± 5.50.90.8280.5840.1380.7740.670
Benzene29.6 ± 3.0.80.2860.7250.027b0.7290.386
Toluene61.8 ± 6.12.80.5000.6350.003b0.7080.818
  1. aLimit of quantification for a 35-mL 2-s puff of a standard gas sample with an assumed signal-to-noise ratio of 10
  2. bSignificant at P < 0.05