Table 1. Patient Demographics, Resuscitation Outcomes, and Factors Associated with ROSC in OHCA Cases (2019-2023).
| Variable | Year (No of patients) | Total (1020) | p | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 2019 (225) | 2020 (246) | 2021 (159) | 2022 (217) | 2023 (173) | |||||
| Male/Female (No; %) | |||||||||
| ROSC | 46 (20.4)/10 (4.4%) | 28 (11.3)/ 10 (4.0) | 23 (14.4)/ 5 (3.1) | 39 (17.9)/ 12 (5.5) | 10(5.7)/ 8(4.6) |
146(14.3)/ 45(4.4) |
<0.001 | ||
| Unsuccessful resuscitation | 119 (52.8)/50 (22.4) | 142 (57.7)/ 66 (27.0) | 94 (59.1)/ 37 (23.4) | 119 (54.8)/ 47 (21.6) | 87(50.3)/ 68(39.3) |
561 (55.0)/ 268 (26.2) |
|||
| ROSC outcomes (No, %) | |||||||||
| Complete recovery | 39 (17.3) | 30 (12.1) | 26 (16.3) | 19 (8.7) | 15 (8.6) | 129 (12.6) | N/A | ||
| Death | 17 (7.5) | 8 (3.2) | 2 (1.2) | 32 (14.7) | 3 (1.7) | 62 (6.0) | |||
| Age groups (No; %) (years) | |||||||||
| ROSC | <25 years | 0 (0.0) | 0 (0.0) | 1 (0.9) | 1 (0.4) | 0 (0.0) | 2 (0.2) | 0.241 | |
| 25-45 years | 5 (2.2) | 4 (1.6) | 3 (1.8) | 4 (2.5) | 3 (1.7) | 19 (1.8) | |||
| 46-65 years | 27 (12.0) | 21 (8.6) | 7 (4.4) | 27 (16.9) | 7 (4.0) | 89 (8.7) | |||
| >65 years | 24 (10.6) | 13 (5.2) | 17 (10.7) | 19 (11.9) | 8 (4.6) | 81 (7.9) | |||
| Unsuccessful resuscitation | <25 years | 5 (2.2) | 2 (0.8) | 4 (2.5) | 2 (0.8) | 3 (1.7) | 16 (1.5) | ||
| 25-45 years | 10 (4.4) | 19 (7.7) | 10 (6.2) | 10 (4.6) | 14 (8.0) | 63 (6.1) | |||
| 46-65 years | 71 (31.5) | 80 (32.5) | 50 (31.4) | 60 (27.6) | 54 (3.1) | 315 (30.9) | |||
| >65 years | 83 (37.1) | 107 (43.4) | 67 (42.1) | 94 (35.3) | 84 (48.5) | 435 (42.6) | |||
| Response time (median, 25th,75th percentile) (minutes) | |||||||||
| ROSC | 3.0 (0.0; 5.0) | 1.0 (0.0; 5.0) | 2.0 (0.0; 6.0) | 2.0 (1.0; 4.0) | 2.0 (1.0; 3.5) | 2.0 (0.0; 5.0) | <0.001 | ||
| Unsuccessful resuscitation | 4.0 (2.0; 7.0) | 6.0 (3.0; 7.0) | 5.0 (3.0, 8.0) | 6.0 (3.0; 7.0) | 5.0 (3.0; 7.0) | 6.0 (3.0;7.0) | |||
| Initial rhythm (No, %) | |||||||||
| ROSC | Asystole/PEA | 9 (4.0) | 10 (4.0) | 8 (5.0) | 6 (2.7) | 11 (6.3) | 44 (4.3) | <0.001 | |
| VF/VT | 38 (16.8) | 31 (12.6) | 26 (16.3) | 49 (22.5) | 7 (8.0) | 151 (14.8) | |||
| Unsuccessful resuscitation | Asystole/PEA | 135 (60.0) | 153 (62.1) | 81 (50.9) | 107 (49.3) | 105 (60.7) | 581 (56.9) | ||
| VF/VT | 43 (19.2) | 52 (21.3) | 44 (27.8) | 55 (25.5) | 50 (28.9) | 244 (23.9) | |||
| Bystander involvement (No; %) | |||||||||
| ROSC | 5 (2.2) | 2 (0.8) | 4 (2.5) | 2 (0.9) | 2 (1.1) | 15 (1.4) | 0.985 | ||
| Unsuccessful resuscitation | 8 (3.5) | 4 (1.6) | 5 (3.1) | 2 (0.9) | 3 (1.7) | 22 (2.1) | |||