Effect of explosive noise on gastrointestinal transit and plasma levels of polypeptide hormones

Table 1 Plasma polypeptide hormones after noise stimulation (mean ± SD, n=8, μg/L)

Noise/dB	MTL	SP	SS	VIP
0	128.0 ± 5.1	52.5 ± 20.1	184.6 ± 49.6	254.3 ± 129.1
40	130.6 ± 15.6	74.4 ± 17.4	382.8 ± 79.1b	471.1 ± 145.4a
80	133.2 ± 30.5	86.6 ± 15.2b	386.6 ± 59. 6b	460.6 ± 173.8a
120	157.5 ± 16.1b	115.5 ± 20.7b	514.0 ± 88.8b	214.2 ± 63.2

^aP < 0.05. ^bP < 0.01vs0 dB(control).

Table 2 Plasma polypeptide hormones after noise stimulation (mean±SD, n=8, μg/L)

Noise/dB	MTL	SP	SS	VIP
0	128.0 ± 5.1	52.3 ± 23.0	308.9 ± 222.8	275.5 ± 125.5
40	130.2 ± 8.9a	82.6 ± 15.7b	329.3 ± 95.6	359.2 ± 227.8
80	134.9 ± 12.6b	110.3 ± 20.0b	458.3 ± 104.3a	251.8 ± 97.2
120	151.9 ± 17.1b	115.2 ± 20.4b	503.7 ± 65.3b	257.8 ± 142.2

^aP < 0.05.

^bP < 0.01 vs 0 dB (control).