| High NTS urgency n = 770 (60.7%) | Low NTS urgency n = 499 (39.3%) | P-value# |
---|---|---|---|
Patient characteristics: | |||
 Median age in years (IQR) | 73.5 (59.0–84.0) | 69.0 (55.0–82.0) | < 0.001 |
 Female sex | 441 (57.3) | 281 (56.3) | 0.736 |
 Family history of CVD (n = 36) | 14 (82.4) | 13 (68.4) | 0.451& |
Medical history: | |||
 Cardiovascular disease (n = 882) | 421 (79.1) | 259 (74.0) | 0.076 |
 TIA (n = 637) | 116 (29.7) | 60 (24.4) | 0.147 |
 Stroke (n = 637) | 113 (28.9) | 60 (24.4) | 0.213 |
 Coronary artery disease (n = 303) | 36 (20.6) | 18 (14.1) | 0.144 |
 Arrhythmia (n = 292) | 32 (19.5) | 25 (19.5) | 0.997 |
 Valvular heart disease (n = 260) | 16 (10.9) | 9 (8.0) | 0.429 |
 Heart failure (n = 263) | 14 (9.5) | 10 (8.7) | 0.831 |
 Epilepsy (n = 233) | 15 (11.6) | 9 (8.7) | 0.458 |
 Migraine (n = 102) | 17 (27.0) | 14 (35.9) | 0.342 |
Cardiovascular risk factors: | 14 (9.5) | 10 (8.7) | 0.831 |
 Hypertension (n = 421) | 121 (50.2) | 85 (47.2) | 0.544 |
 Hypercholesterolemia or use of statins (n = 395) | 95 (43.0) | 75 (43.1) | 0.981 |
 Diabetes mellitus (n = 417) | 87 (36.7) | 63 (35.0) | 0.719 |
Cardiovascular medication: | |||
 Antithrombotics (n = 939) | 290 (48.7) | 149 (43.4) | 0.123 |
 Other cardiovascular medication (n = 764) | 253 (57.55) | 178 (54.9) | 0.480 |
Call characteristics: | |||
 Median call duration in min:sec (IQR) | 06:32 (04:43–08:54) | 07:59 (05:54–10:50) | < 0.001 |
 Median time for caller’s introduction in min:sec (IQR) | 00:19 (00:12–00:27) | 00:20 (00:13–00:29) | 0.189 |
 Initial call by someone else than the patient | 621 (80.6) | 342 (68.5) | < 0.001 |
 Triage nurse consulted the general practitioner | 449 (58.3) | 305 (61.1) | 0.319 |
Main NTS complaint chosen by triage nurse | |||
 Neurological deficit | 587 (76.2) | 220 (44.1) | < 0.001 |
 Dizziness | 21 (2.7) | 87 (17.4) | < 0.001 |
 Headache | 23 (3.0) | 28 (5.6) | 0.020 |
 Odd behavior | 21 (2.7) | 18 (3.6) | 0.375 |
 Syncope | 20 (2.6) | 9 (1.8) | 0.355 |
 Vision problem | 2 (0.3) | 25 (5.0) | < 0.001& |
 Leg or arm problem | 11 (1.4) | 34 (6.8) | < 0.001 |
 Other^ | 85 (11.0) | 78 (15.6) | 0.017 |
Symptoms mentioned during the call | |||
 Decreased or loss of consciousness (n = 1103) | 49 (7.4) | 21 (4.8) | 0.081 |
 Face drooping (n = 713) | 258 (54.3) | 93 (39.1) | < 0.001 |
 Arm weakness (n = 772) | 254 (51.0) | 77 (28.1) | < 0.001 |
 Leg weakness (n = 653) | 201 (49.0) | 85 (35.0) | < 0.001 |
 Sensory disturbances (n = 375) | 192 (89.7) | 150 (93.2) | 0.243 |
 Communication problem in general (n = 769) | 413 (80.8) | 187 (72.5) | 0.008 |
 Dysarthria (n = 416) | 181 (65.1) | 76 (55.1) | 0.047 |
 Dysphasia (n = 419) | 163 (59.1) | 72 (50.3) | 0.089 |
 Vision problem in general (n = 184) | 68 (78.2) | 82 (84.5) | 0.266 |
 Blurry vision (n = 74) | 27 (77.1) | 27 (69.2) | 0.444 |
 Diplopia (n = 74) | 14 (63.6) | 23 (44.2) | 0.127 |
 Reduced vision (n = 62) | 15 (53.6) | 22 (64.7) | 0.374 |
 Headache (n = 497) | 147 (57.0) | 140 (58.6) | 0.718 |
 Loss of balance/motor coordination (ataxia) (n = 236) | 130 (86.1) | 66 (77.6) | 0.097 |
 Dizziness (n = 312) | 120 (82.2) | 143 (86.1) | 0.338 |
 Seizure (n = 11) | 4 (66.7) | 3 (60.0) | 0.819& |
 Short term memory loss (n = 68) | 33 (76.7) | 21 (84.0) | 0.476 |
 Shortness of breath (n = 403) | 62 (24.4) | 25 (16.8) | 0.072 |
Autonomic nervous system associated symptoms | |||
 Sweating (n = 208) | 47 (36.7) | 45 (56.3) | 0.006 |
 Nausea or vomiting (n = 311) | 84 (61.8) | 94 (53.7) | 0.155 |
 Pallor (n = 255) | 54 (32.7) | 27 (30.0) | 0.655 |
 Ashen skin (n = 198) | 18 (14.1) | 12 (17.1) | 0.563 |
 (Feeling of nearly) fainting (n = 1103) | 57 (8.6) | 41 (9.3) | 0.680 |
Course of symptoms | |||
Onset of symptoms: | |||
 Per acute (seconds) (n = 211) | 52 (44.1) | 56 (60.2) | 0.020 |
 Acute (minutes) (n = 211) | 46 (39.0) | 23 (24.7) | 0.028 |
 Gradually (hours) (n = 211) | 20 (16.9) | 14 (15.1) | 0.710 |
 Duration of symptoms ≤4.5 h (n = 986) | 381 (61.4) | 203 (55.6) | 0.077 |
 Symptoms still present at time of calling (n = 1254) | 716 (93.4) | 438 (89.9) | 0.030 |
Other characteristics | |||
 Caller expresses concern (n = 628) | 334 (90.3) | 248 (96.1) | 0.006 |
 Patient never experienced similar symptoms before (n = 368) | 104 (49.8) | 68 (42.8) | 0.183 |
 Recognition of symptoms: | |||
 TIA (n = 368) | 40 (19.1) | 26 (16.4) | 0.490 |
 Stroke (n = 368) | 25 (12.0) | 16 (10.1) | 0.566 |