. 2012 Nov 21;12:107. doi: 10.1186/1471-2261-12-107

Table 1.

Characteristics of the studies included in the metanalysis

Author	Number of patients and mean Age (years)	Males (%) statin/control group	Intervention	Follow-up	Total cholesterol (TC) and LDL cholesterol values before and after treatment with statin,mean mg/dl and % reduction	Co-morbidities (%) statin/control group	Concurrent Medications (%) statin/control group	Placebo-controlled/Double blind	Unsuccessful Cardioversion statin/control group (n)	Mean Left Atrial diameter (mm) Statin/control group	Jadad Score
Almroth 2009[21]	234 (65±10)	76/74	Atorvastatin 80 mg/day (started at least 14 days before EC)	30 days	TC:202–136 (−32.6%)	H:47/48 D:7/10 CAD:4/4	B:87/80 C:14/16 DG:16/20	YES/YES	8/13	44/43	5
Almroth 2009[21]	234 (65±10)	76/74	Atorvastatin 80 mg/day (started at least 14 days before EC)	30 days	LDL:123–65 (−52.8%)	H:47/48 D:7/10 CAD:4/4	B:87/80 C:14/16 DG:16/20	YES/YES	8/13	44/43	5
Ozaydin 2006[22]	48 (62±11)	71/50	Atorvastatin 10 mg/day (started 48 hours before EC)	3 months	TC:179–151 (−15.6%)	H:42/38 D:21/25	B:33/25 C:21/42 DG:4/4 A:8/4 P:8/8	NO/NO	0	47/43	2
Ozaydin 2006[22]	48 (62±11)	71/50	Atorvastatin 10 mg/day (started 48 hours before EC)	3 months	LDL:109–95 (−12.8%)	H:42/38 D:21/25	B:33/25 C:21/42 DG:4/4 A:8/4 P:8/8	NO/NO	0	47/43	2
Xia 2009[23]	64 (61±8)	69/63	Rosuvastatin 10 mg/day (started 48 h before EC)	3 months	TC:159–131 (−17.6%)	-	B:38/31 C:31/34 A:22/28 DG:13/6	NO/NO	0	41/41	1
Xia 2009[23]	64 (61±8)	69/63	Rosuvastatin 10 mg/day (started 48 h before EC)	3 months	LDL:97–83 (−14.4%)	-	B:38/31 C:31/34 A:22/28 DG:13/6	NO/NO	0	41/41	1
Tveit 2004[20]	114 (68±10)	79/75	Pravastatin 40 mg/day (started 3 weeks before EC)	6 weeks	Mean n.s.	H:42/44 D:9/4 COPD:11/11 CHD:9/12	B:67/65 C:30/28 DG:25/23 F:6/4 A:2/4	NO/NO	11/11	45/43	3
					TC:-22%
					LDL:-33%
Demir 2011[25]	44 (61±10)	48/44	Atorvastatin 40 mg/day (started 3 weeks before EC)	2 months	TC:174–129 (−25.8%)	H:74/52 D:8/4 S:17/17 CHD:21/13	A:91/87 P:4/8 C:22/26	NO/NO	1/1	42/43	1
Demir 2011[25]	44 (61±10)	48/44	Atorvastatin 40 mg/day (started 3 weeks before EC)	2 months	LDL:112–62 (−44.6%)	H:74/52 D:8/4 S:17/17 CHD:21/13	A:91/87 P:4/8 C:22/26	NO/NO	1/1	42/43	1
Negi 2011[24]	64 (55±12)	82/84	Atorvastatin 80 mg/day (started at randomization: 0–7 days before EC)	12 months	TC:183–142 (−22.4%)	H:52/49 D:12/3.2 S:24/16 CHD:12/13	B: 49/68	YES/YES	-	46/46	4

H, hypertension; D, diabetes mellitus; S: smoking; COPD, chronic obstructive pulmonary disease; CHD, coronary heart disease; B, beta blockers; C, calcium channel blockers; DG, Digitoxin; F, Flecainide; A, Amiodarone; P, Propafenone; n.s., not specified.