Table 4.

Comparison of respiratory function tests and complaints at referral, between patients with and without an NIV indication at the first home ventilation service visit

	No NIV indication yet (n = 35)		NIV indication (n = 22)
	N		N		Difference (SE)	P-value
FVC	32	79 ± 21	20	70 ± 20	−9.9 ± 6	0.101
PCF	24	348 ± 137	16	259 ± 92	−88.4 ± 39	0.019
MIP	28	59 ± 36	19	50 ± 26	−8.9 ± 9	0.338
MEP	29	46 ± 23	18	44 ± 21	−1.9 ± 7	0.774
SNIP	15	40 ± 18	5	28 ± 9	−12 ± 12	0.089
Complaints	35	51%	22	77%		0.051

Data are presented as mean ± SD or proportion. These data are collected at the Radboudumc at the time of referral to the HVS. The NIV indication was made at the first visit at the HVS. Median time between referral and the first visit at the HVS was 5.6 weeks (range 4.4–7.0). HVS Home Ventilation Services, NIV Non-invasive ventilation, FVC Forced Vital Capacity (% predicted value), PCF Peak Cough Flow (L/min.), MIP and MEP Maximum Inspiratory and Expiratory Pressure (% predicted value), SNIP Sniff Nasal Inspiratory Pressure (% predicted value)