Table 3 Outcome and baseline data for HEMS missions in pre-intervention and intervention periods
| Â | February to July, 2022 and 2023 | February to July, 2024 | Â | ||
|---|---|---|---|---|---|
Non-working hours | Working hours | Non-working hours | Working hours (intervention) | Overall | |
N (%) | N (%) | N (%) | N (%) | N (%) | |
HEMS missions with patient contact | 296 (100) | 222 (100) | 169 (100) | 98 (100) | 785 (100) |
Outcomes | |||||
 No advanced treatment | 172 (58) | 131 (59) | 105 (62) | 67 (68) | 475 (61) |
 No logistical contribution | 141 (48) | 94 (42) | 91 (54) | 50 (51) | 376 (48) |
 Unnecessary mission | 76 (26) | 46 (21) | 51 (30) | 32 (33) | 205 (26) |
 Median time, call to alarm [IQR] | 6 [25] | 5 [19] | 7 [17] | 7 [15] | 6 [19] |
Patient characteristics | |||||
 Mean age [SD] | 51 [27] | 54 [27] | 55 [24] | 51 [26] | 53 [26] |
 Women | 105 (35) | 87 (39) | 54 (32) | 30 (31) | 276 (35) |
 NACA score from 4 to 7 | 230 (78) | 180 (81) | 138 (82) | 75 (77) | 623 (79) |
 ICD10, chapter I | 116 (39) | 98 (44) | 80 (47) | 39 (40) | 333 (42) |
 ICD10, chapter S | 48 (16) | 34 (15) | 19 (11) | 22 (22) | 123 (16) |
 ICD10, chapter R | 32 (11) | 31 (14) | 23 (14) | 15 (15) | 101 (13) |
 ICD10, chapter J | 30 (10) | 14 (6) | 11 (7) | 5 (5) | 60 (8) |