Different types of symptoms2-150 before and after 1 minute of exposure to propylene glycol mist (n=27)
| Type of symptoms | Symptoms 10 min before exposure | Symptoms 10 min after exposure | Proportion developing a particular symptom2-151 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | (%) | n | (%) | n | (%) | ||||||
| Sore eyes | 1 | 4 | 6 | 22 | 5/26 | 19 | |||||
| Itching in the eyes | 1 | 4 | 4 | 15 | 3/26 | 12 | |||||
| Dry eyes | 1 | 4 | 9 | 33 | 8/26 | 31 | |||||
| Gritty eyes | 2 | 7 | 3 | 11 | 1/25 | 4 | |||||
| Eye redness | 0 | 0 | 0 | 0 | 0/27 | 0 | |||||
| Swollen eyelids | 0 | 0 | 0 | 0 | 0/27 | 0 | |||||
| At least one ocular symptom | 2 | 7 | 11 | 41 | 9/25 | 36 | |||||
| Nasal catarrh | 1 | 4 | 2 | 7 | 1/26 | 4 | |||||
| Nasal itch | 0 | 0 | 2 | 7 | 2/27 | 7 | |||||
| Sneezing | 0 | 0 | 0 | 0 | 0/27 | 0 | |||||
| Nasal obstruction | 1 | 4 | 1 | 4 | 0/26 | 0 | |||||
| At least one nasal symptom | 2 | 7 | 3 | 11 | 1/25 | 4 | |||||
| Throat dryness | 4 | 15 | 17 | 63 | 14/23 | 61 | |||||
| Sore throat | 1 | 4 | 1 | 4 | 0/26 | 0 | |||||
| At least one throat symptom | 4 | 15 | 18 | 67 | 14/22 | 64 | |||||
| Irritative cough | 2 | 7 | 6 | 22 | 4/25 | 16 | |||||
| Difficulties in breathing | 1 | 4 | 1 | 4 | 0/26 | 0 | |||||
| At least one lower respiratory symptom | 2 | 7 | 6 | 22 | 4/25 | 16 | |||||
| Sensation of catching a cold | 1 | 4 | 1 | 4 | 1/26 | 4 | |||||
| Headache | 1 | 4 | 1 | 4 | 0/26 | 0 | |||||
| Nausea | 0 | 0 | 0 | 0 | 0/27 | 0 | |||||
| Fatigue | 1 | 4 | 1 | 4 | 1/26 | 4 | |||||
| At least one general symptom | 2 | 7 | 2 | 7 | 0/25 | 0 | |||||
| Facial itching | 0 | 0 | 0 | 0 | 0/27 | 0 | |||||
| Facial rash | 1 | 4 | 0 | 0 | 0/26 | 0 | |||||
| Itching on the hands | 0 | 0 | 1 | 4 | 1/27 | 4 | |||||
| Rashes on the hands | 2 | 7 | 2 | 7 | 0/25 | 0 | |||||
| Eczema | 2 | 7 | 2 | 7 | 0/25 | 0 | |||||
| At least one dermal symptom | 4 | 15 | 3 | 11 | 0/23 | 0 | |||||