Utility of a thin bronchoscope in facilitating bronchial thermoplasty

Figures & data

Table 1 Baseline characteristics

Characteristics	Group 1	Group 2	Group 3	P-value
Sample size, n	12	8	7
Age, years	52.0±12.2	57.8±14.4	62.4±8.1	NS
Male gender, n	5	5	4	NS
BMI, kg/m^2	28.8±8.2	30.3±7.2	27.1±4.5	NS
Beclomethesone, mcg/day	1,667±492	1,875±640	1,571±535	NS
Salbutamol puffs/day	7.3±8.2	7.9±7.1	8.3±8.4	NS
ACQ-5	3.4±1.0	3.3±1.4	2.8±0.3	NS
FEV1% predicted	57.1±9.3	52.4±14.9	54.1±25.8	NS
Forced expiratory ratio	56.5±7.1	54.8±15.6	55.0±20.4	NS

Notes: All data are presented as mean ± SD unless otherwise specified. Group 1: standard bronchoscope used; Group 2: mixed bronchoscopes used; Group 3: thin bronchoscope used.

Abbreviations: BMI, body mass index; ACQ-5, Asthma Control Questionnaire-5 item; NS, not significant.

Table 2 Radiofrequency activations administered by lobe

	n	R Lower	L Lower	R Upper	L Upper	Total
Standard scope (Group 1)	12	42±07	47±10	33±05	34±09	155±21
Mixed scopes (Group 2)	8	41±09	47±12	34±13	55±21	176±46
Small scope (Group 3)	7	54±14	66±11	34±10	60±13	213±37
P ANOVA		<0.05	<0.01	NS	<0.01	<0.01

Notes: All data are presented as mean ± SD. Group 1: standard bronchoscope used; Group 2: mixed bronchoscopes used; Group 3: thin bronchoscope used.

Figure 1 Responses to bronchial thermoplasty in each treatment group.

Notes: Group 1: standard bronchoscope used; Group 2: mixed bronchoscopes used; Group 3: thin bronchoscope used.
Abbreviation: ACQ-5, Asthma Control Questionnaire-5 item.