Table 1.
Incidence and prognosis of nonspecific chest pain among 24,829 patients admitted to hospital to rule out acute coronary syndrome.
| NSCP | Follow-up of NSCP patients | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Study | Year | n |
ACS/high risk n (%) |
CHD+ | CHD- |
Total n (%) |
n |
Time. month |
Mortality n (%) |
Readmissions n (%) |
| Panju (7) | 1996 | 1,235 | 1,077 (87) | 12 | 146 | 158 (13) | 100 | 36 | 3 (3) | 19 (19) |
| Bholashing (8)a | 2001 | 2,271 | 791 (35) | n.a. | n.a. | 1,480 (65) | 653 | 24 | 16 (2.5)b | n.a. |
| Cassin (9) | 2002 | 570 | 224 (39) | n.a. | n.a. | 346 (61) | 266 | 12 | 4 (1.5) | n.a. |
| Edmon (10) | 2002 | 423 | 269 (64) | 59 | 95 | 154 (36) | 152 | 12 | 5 (3.3) | 33 (22) |
| Conti (11) | 2002 | 13,762 | 9,335 (68) | n.a. | n.a. | 4,427 (32) | 870 | 6 | 0 | n.a. |
| Menown (12) | 2003 | 391 | 196 (50) | 158 | 37 | 195 (50) | 195 | 12 | 8 (4) | 46 (18) |
| Spalding (13) | 2003 | 250 | 142 (57) | 24 | 84 | 108 (43) | 103 | 12 | 3 (2.9) | 14 (14) |
| Shaver (14) | 2004 | 999 | 307 (31) | n.a. | n.a. | 692 (61) | 692 | 12 | n.a. | 277 (40) |
| Aune (15)a | 2006 | 755 | 366 (48) | 164 | 225 | 389 (52) | 389 | 12 | 22 (5.7) | n.a. |
| Aune (16,17)a | 2010 | 934 | 363 (39) | 203 | 368 | 571 (61) | 571 | 12 | 18 (3.2) | n.a. |
| Leise (18) | 2010 | 1,973 | 1,608 (82) | n.a. | n.a. | 356 (18) | 320 | 240 | 90 (28) | 157 (49) |
| Ravn-Fischer (20) | 2011 | 1,266 | 234 (18) | n.a. | n.a. | 1,032 (82) | 234 | 12 | 84 (8.1) | n.a. |
Mortality and readmission percentages have been converted to annual rates. aCitations were not within the systematic search; bcardiac, not total, death rate. ACS, acute coronary syndrome; CHD, coronary heart disease; n, number; NSCP, Non-specific chest pain