Table 2.

Digital lung sound examination agreement between and within primary listeners in cases, stratified by listener*

Between listener agreement			Listener (N=number of recordings interpreted by each panellist)
Dichotomous lung examination group		Overall (n=709)	Listener #1 (n=183)	Listener #2 (n=172)	Listener #3 (n=182)	Listener #4 (n=159)	Listener #5 (n=183)	Listener #6 (n=187)	Listener #7 (n=175)	Listener #8 (n=177)
Abnormal or normal†	Agreement, n (%)	531 (74.9)	143 (78.2)	124 (72.0)	135 (74.2)	115 (72.4)	128 (70.0)	148 (79.2)	123 (70.2)	146 (82.4)
	Kappa statistic (95% CI)	0.45 (0.40 to 0.50)	0.49	0.41	0.44	0.43	0.37	0.52	0.31	0.60
	PABAK (95% CI)‡	0.50 (0.45 to 0.54)	0.56	0.44	0.48	0.45	0.40	0.58	0.41	0.65
Crackle or no crackle	Agreement, n/N (%)	500/709 (70.6)	114/183 (62.2)	121/172 (70.4)	126/182 (69.2)	105/159 (66.0)	134/183 (73.2)	132/187 (70.6)	131/175 (74.8)	137/177 (77.4)
	Kappa statistic (95% CI)	0.40 (0.35 to 0.44)	0.30	0.32	0.36	0.29	0.44	0.40	0.50	0.54
	PABAK (95% CI)§	0.41 (0.36 to 0.46)	0.25	0.41	0.39	0.32	0.46	0.41	0.50	0.55
Wheeze or no wheeze	Agreement, n/N (%)	515 (72.6)	141/183 (77.0)	120/172 (69.8)	131/182 (72.0)	121/159 (76.2)	120/183 (65.6)	136/187 (72.8)	119/175 (68.0)	142/177 (80.2)
	Kappa statistic (95% CI)	0.45 (0.41 to 0.50)	0.54	0.40	0.44	0.52	0.30	0.45	0.38	0.60
	PABAK (95% CI)¶	0.45 (0.41 to 0.50)	0.54	0.40	0.44	0.52	0.31	0.46	0.36	0.61