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. 2020 Jun 22;49:39. doi: 10.1186/s40463-020-00439-0

Table 1.

Characteristics patients, calls, and callers by time frame

Overall
(n = 1709)
Mean (SD) or n (%)
T1
(n = 474)
Mean (SD) or n (%)
T2
(n = 1235)
Mean (SD) or n (%)
P-valuea
Patient Characteristics
 Age in years– Overall 45.6 (21.9) 41.3 (25.4) 47.2 (20.2) < 0.001
 Sex – male 967 (56.6) 277 (58.4) 690 (55.9) 0.529
Characteristics of Calls
 Calls during office hours 779 (100) 169 (35.6) 610 (78.3) < 0.001
 Calls during after hours - weekday 504 (100) 164 (32.5) 340 (67.5) < 0.001
 Calls during after hours - weekend 426 (100) 141 (33.1) 285 (66.9) < 0.001
Response Time (minutes)
 Overall 18.9 (34.6) 11.4 (20.7) 21.8 (38.4) < 0.001
 Calls during office hours 26.0 (42.9) 12.7 (23.0) 29.9 (46.5) < 0.001
 Calls during after hours - weekday 15.0 (26.6) 11.3 (16.5) 16.7 (30.0) 0.036
 Calls during after hours - weekend 11.2 (22.7) 9.9 (22.1) 11.8 (23.0) 0.425
Time to clear call (hours)
 Overall 0.9 (1.2) 0.9 (1.6) 0.8 (1.0) 0.169
 Calls during office hours 0.9 (1.1) 0.8 (1.2) 1.0 (1.0) 0.103
 Calls during after hours - weekday 0.9 (1.5) 1.1 (2.1) 0.8 (1.1) 0.025
 Calls during after hours - weekend 0.7 (1.0) 0.9 (1.2) 0.6 (0.9) 0.023
Distance of caller to University of Alberta Hospital (kms)
 0–50 km 896 (52.4) 166 (35.0) 730 (59.1) < 0.001
 51–100 166 (9.7) 68 (14.4) 98 (7.9) 0.180
 101–150 182 (10.7) 64 (13.5) 118 (9.6) 0.422
 151–200 110 (6.4) 42 (8.9) 68 (5.5) 0.491
 201–250 152 (8.9) 66 (14.0) 86 (7.0) 0.155
 251–300 91 (5.3) 39 (8.2) 52 (4.2) 0.423
  > 300 112 (6.6) 29 (6.1) 83 (6.7) 0.911

afor comparison of T1 to T2