TABLE 9.

Comparative analysis of number and type of neurofeedback sessions on percent symptom improvement.

Protocol comparisons	n	Median (Q1-Q3) % Δ Symptoms	Mean Rank	Sum of Ranks	U	p	Trend
1–9 CP	5	75.0% (57.1–100%)	15.00	75.00	60.00	0.885	10+ > <10
10+ CP	25	83.3% (50.0–100%)	15.60	390.00
1–19 CP	20	79.2% (50.0–100%)	15.68	313.50	96.50	0.873	< 20 >20+
20+ CP	10	84.5% (44.6–100%)	15.15	151.50
1–29 CP	26	79.2% (50.0–100%)	15.50	403.00	52.00	1.000	30+ = <30
30+ CP	4	84.5% (69.6–89.3%)	15.50	62.00
1–39 CP	27	75.0% (50.0–100%)	15.06	406.50	28.50	0.390	40+ > <40
40+ CP	3	85.7% (84.5–92.9%)	19.50	58.50
20+ Any	11	75.0% (50.0–91.7%)	10.64	117.00	51.00	0.774	CP > Any
20+ CP	10	84.5% (44.6–100%)	11.40	114.00
30+ Any	11	50.0% (41.2–75.0%)	7.14	78.50	12.50	0.212	CP > Any
30+ CP	4	84.5% (69.6–89.3%)	10.38	41.50
40+ Any	6	39.3% (28.6–68.8%)	3.58	21.50	0.50	0.027	CP > Any
40+ CP	3	85.7% (84.5–92.9%)	7.83	23.50

The number and type of neurofeedback sessions were analyzed for discrepancies in percent symptom improvement. Analysis was conducted via Mann Whitney U test.