Table 1b.

Mean values and standard deviation of the parameters under study

	n	Minimum	Maximum	Mean	Std. deviation
Age	70	25	80	51.42	10.299
Stop bang	70	2	8	4.91	1.380
AHI	70	2.7	125.0	41.940	31.6789
BMI	70	20.1	43.3	31.472	5.2004
FEV1	70	30	112	74.63	18.957
FVC	70	30	114	74.54	19.365
PBDR	70	63.0	107.0	79.705	7.5766
PEFR	70	345	658	493.89	95.539
Valid n (listwise)	70