Table 3.

Kappa coefficients of agreement for different proposed sets of POEM severity bands, with final severity band highlighted

Possible POEM bandings					K coefficient of agreement
					GQ1	GQ2
Clear	Mild	Moderate	Severe	Very severe	Patient global severity	Patient global bother
0–2	3–7	8–16	17–25	26–28	0.466	0.407
0–2	3–7	8–16	17–24	25–28	0.463	0.414
0–2	3–6	7–16	17–25	26–28	0.460	0.397
0–1	2–7	8–16	17–25	26–28	0.450	0.413
0–1	2–7	8–16	17–24	25–28	0.447	0.419
0–1	2–6	7–16	17–24	25–28	0.442	0.409
0–1	2–7	8–16	17–26	27–28	0.438	0.415