Table 2.
Comparison of the prevalence of severe acute stress symptoms at T1, T2 and T3 in patients with acute myocardial infarction.
| Items | Categories | n | T1 Severe stress [n (%)] | T1 χ2 (p) | T2 severe stress [n (%)] | T2 χ2 (p) | T3 severe stress [n (%)] | T3 χ2 (p) |
|---|---|---|---|---|---|---|---|---|
| Age (years) | <45 | 39 | 14 (35.90) | 10.822** (0.004) |
7 (17.95) | 4.217 (0.122) | 4 (10.26) | 3.854 (0.146) |
| 45–59 | 81 | 41 (50.62) | 22 (27.16) | 13 (16.05) | ||||
| ≥60 | 128 | 91 (71.09) | 45 (35.16) | 28 (21.88) | ||||
| Gender | Male | 132 | 75 (56.82) | 0.572 (0.450) | 37 (28.03) | 0.614 (0.433) | 22 (16.67) | 0.528 (0.468) |
| Female | 116 | 71 (61.21) | 37 (31.90) | 23 (19.83) | ||||
| Marital status | Unmarried/divorced/widowed | 16 | 9 (56.25) | 0.038 (0.845) | 5 (31.25) | 0.026 (0.872) | 3 (18.75) | 0.012 (0.913) |
| Married | 232 | 137 (59.05) | 69 (29.74) | 42 (18.10) | ||||
| Education level | Junior high school or below | 140 | 88 (62.86) | 1.942 (0.379) | 46 (32.86) | 2.147 (0.342) | 29 (20.71) | 1.876 (0.392) |
| High school/secondary school | 68 | 37 (54.41) | 18 (26.47) | 11 (16.18) | ||||
| Junior college and above | 40 | 21 (52.50) | 10 (25.00) | 5 (12.50) | ||||
| Monthly household income (yuan) | <4,000 | 47 | 29 (61.70) | 0.896 (0.826) |
20 (42.55) | 9.522* (0.023) | 13 (27.66) | 7.853* (0.049) |
| 4,000– | 87 | 52 (59.77) | 30 (34.48) | 18 (20.69) | ||||
| 7,000– | 85 | 48 (56.47) | 20 (23.53) | 12 (14.12) | ||||
| >10,000 | 29 | 17 (58.62) | 4 (13.79) | 2 (6.90) | ||||
| Career | Enterprises and institutions | 52 | 28 (53.85) | 2.147 (0.542) | 13 (25.00) | 3.214 (0.359) | 8 (15.38) | 2.789 (0.425) |
| Individual | 44 | 26 (59.09) | 15 (34.09) | 9 (20.45) | ||||
| Clerk/staff | 91 | 56 (61.54) | 28 (30.77) | 17 (18.68) | ||||
| Unemployed/retired | 61 | 36 (59.02) | 18 (29.51) | 11 (18.03) | ||||
| Number of comorbidities | <5 comorbidities | 176 | 95 (53.98) | 4.684* (0.030) | 46 (26.14) | 3.969* (0.046) | 26 (14.77) | 5.124* (0.024) |
| ≥5 species | 72 | 51 (70.83) | 28 (38.89) | 19 (26.39) | ||||
| Number of brackets | <2 | 175 | 96 (54.86) | 3.956 * (0.047) | 48 (27.43) | 1.872 (0.171) | 28 (16.00) | 2.014 (0.156) |
| ≥2 pieces | 73 | 50 (68.49) | 26 (35.62) | 17 (23.29) | ||||
| Left ventricular ejection fraction | <40% | 45 | 32 (71.11) | 5.217 (0.074) | 22 (48.89) | 15.487** (<0.001) | 14 (31.11) | 12.356** (<0.001) |
| 40%–49% | 86 | 53 (61.63) | 30 (34.88) | 19 (22.09) | ||||
| >50% | 117 | 61 (52.14) | 22 (18.80) | 12 (10.26) | ||||
| Cardiac function classification | Grade I | 132 | 62 (46.97) | 15.121** (0.001) | 28 (21.21) | 16.437** (<0.001) | 17 (12.88) | 13.287** (<0.001) |
| Grade II | 70 | 48 (68.57) | 24 (34.29) | 15 (21.43) | ||||
| Grade III-IV | 46 | 36 (78.26) | 22 (47.83) | 13 (28.26) |
*p < 0.05, **p < 0.001; Severe acute stress symptoms was defined as SASRQ total score ≥57. T1 was after PCI/after stable condition, T2 was 1 month after PCI, and T3 was 3 months after PCI.