Table I.

Fluorescent particle statistics

Tent	Type	Mean ± SD		Maximum		% Increase without tent
		Fluorescent
		Particles/m3 ×104	Particle count/s	Particles/m3 ×104	Particle count/s
NA	Background	0.091 ± 0.20	0.026 ± 0.055	1.07	0.3	NA
	Change	0.261 ± 0.35	0.073 ± 0.097	1.42	0.4
	Nurse entry	0.43 ± 0.36	0.119 ± 0.1	1.43	0.4
Yes	Ventolin	0.065 ± 0.16	0.018 ± 0.44	0.71	0.2
	Ipramol	0.057 ± 0.15	0.16 ± 0.043	0.71	0.2
No	Ventolin	47.51 ± 23.47	11.3 ± 6.57	87.13	24.4	99.18
	Ipramol	42.11 ± 37.43	11.79 ± 10.48	123.2	34.5	99.42

SD, standard deviation; NA, not applicable.