Maximum Phonation Time in People with Obesity Not Submitted or Submitted to Bariatric Surgery

Table 2

Maximum phonation time (MPT), in seconds, and the S/Z ratio, in people with obesity not submitted to surgical treatment for obesity (group A, n = 52), people with obesity submitted to surgical treatment (group B, n = 62), and healthy controls (group C, n = 20).

	/A/		/I/		/U/		S/Z
	Mean (SD)	Median	Mean (SD)	Median	Mean (SD)	Median	Mean (SD)	Median
Controls
Men	16.1 (5.3)	17.1	18.0 (2.6)	18.3	19.0 (2.4)	19.3	0.9 (0.1)	1.0
Women	15.7 (5.1)	14.7	18.0 (5.5)	17.3	17.7 (4.3)	17.0	0.9 (0.2)	0.9
Total	15.7 (5.0)	15.1	18.0 (4.9)	17.3	18.0 (3.6)	18.4	0.9 (0.2)	0.9
Group A
Men	11.9 (5.3)	12.0	12.4 (5.8)	12.5	12.2 (5.5)	11.2	0.9 (0.2)	1.1
Women	10.3 (3.6)	10.0	11.4 (4.5)	10.5	11.9 (4.7)	11.5	1.0 (0.3)	0.9
Total	10.9 (4.1)	10.8	11.8 (4.9)	11.6	12.0 (5.1)	11.6	1.0 (0.3)	1.0
Group B
Men	14.0 (6.3)	13.5	14.5 (5.4)	13.7	15.7 (6.0)	15.7	0.9 (0.1)	0.9
Women	11.8 (4.5)	11.6	13.0 (5.8)	12.3	13.2 (5.9)	13.3	0.9 (0.3)	1.0
Total	11.9 (4.8)	11.7	13.0 (5.9)	12.4	13.5 (6.0)	13.7	1.0 (0.2)	1.0

compared with groups A and B.