Table 3.

Absolute and standardized mean delta (levodropropizine vs. controls)

Studies, parameters	Levodropropizine			Controls			Standardized Mean Delta	C.I. 95 %		p
	Mean Delta	SD	N	Mean Delta	SD	N		Lower	Upper
Banderali, frequency	−8.4	17.3	130	−7.7	13.7	126	−0.045	−0.291	0.202	0.7216
Dong Soo, frequency	−1.3	1.14	38	−0.7	1.12	37	−0.525	−0.996	−0.055	0.0290
Banderali, nocturnal awakenings	−1.0	2.55	132	−1	2.46	126	0.000	−0.246	0.246	1.0000
Fiocchi, nocturnal awakenings	−1.06	0.81	12	−0.46	0.74	12	−0.747	−1.639	0.146	0.0966
DongSoo, severity	−1.2	1.0	38	−0.7	0.99	37	−0.495	−0.967	−0.028	0.0382
De Blasio, severity	−1.58	0.96	101	−1.1	1.13	60	−0.465	−0.792	−0.139	0.0055
Catena, frequency	−8.3	7.5	110	−8.2	7.75	99	−0.013	−0.287	0.260	0.9250
Catena, nocturnal awakenings	−2.7	1.8	80	−2.12	1.8	79	−0.321	−0.637	−0.005	0.0466
Luporini, nocturnal awakenings	−1	1.5	34	−1	1.4	29	0.0	−0.508	0.508	1.0000
Allegra, severity	−1.55	1	20	−0.8	1.11	20	−0.696	−1.362	−0.030	0.0410
Luporini, severity	−1.2	2.92	58	−1.2	3.2	65	0.0	−0.358	0.358	1.000