Table 1

Descriptive statistics separately for the four groups based on the official cftr gene mutation classification system

	Group 1 (n=8)		Group 2 (n=30)		Group 3 (n=13)		Group 4 (n=17)		Total (n=68)
	M	SD	M	SD	M	SD	M	SD	M	SD	F‡
Age	33.38	10.62	29.07	9.70	32.31	9.86	36.88	13.53	32.15	11.13	1.90
HADS A	6.63	2.88	6.60	4.07	4.15	3.46	5.18	2.88	5.78	3.63	1.74
HADS D	5.00	3.93	3.00	2.45	2.08	2.66	3.65	2.98	3.22	2.88	2.00
CFQ-R Tot	69.74	13.69	76.11	15.25	72.03	19.23	78.25	14.85	75.10	15.73	0.73
BMI	21.06	1.94	21.70	2.22	21.85	2.70	24.71	4.98	22.40	3.41	4.02*
FEV₁	60.38	32.58	72.79	26.98	79.62	28.58	70.12	24.89	71.96	27.37	0.85
Phys exer	2.29	2.51	4.27	6.68	1.19	1.90	1.47	1.88	2.73	4.82	0.64
IgG	10.76	3.15	11.47	3.61	11.09	2.47	11.13	2.68	11.23	3.06	0.12
Work cap	201.86	73.95	141.71	89.81	200.62	54.60	143.63	81.36	162.00	82.25	2.42†

*p<0.05; †p<0.10.
‡With df=3 and 64.
BMI, body mass index; CFQ-R, Cystic Fibrosis Questionnaire-Revised; FEV₁, forced expiratory volume in 1 s; HADS A and D, Hospital Anxiety and Depression Scale Anxiety and Depression; IgG, immunoglobulin G.