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Table 1 Characteristics of patients referred to after-hours clinical support team

From: A clinical pathway for the management of difficult venous access

  Males (n = 165) Females (n = 214) Combined (n = 379) p-value
Age (y), mean (SD)a 67 (16) 66 (18) 66 (17) 0.92
Height (cm), mean (SD) 170 (8.5) 159 (8.0) 164 (9.6) < 0.001
Weight (kg), median (IQR) 80 (68,100) 72 (56, 85) 75 (60, 90) < 0.001
BMIb (kg/m2), median (IQR)
[BMI range, max - min]
28 (24, 34)
[14.7–80.6]
28 (22, 33)
[15.1–70.3]
28 (23, 34)
[14.7–80.6]
0.620
Specialty, n (%)     0.730
 Medical 71 (43) 82 (38) 153 (40)  
 Surgical 38 (23) 58 (27) 96 (25)  
 Haematology/Oncology 23 (14) 27 (13) 50 (13)  
 ICU/CCUc 24 (14) 23 (11) 47 (12  
 Aged care 6 (4) 17 (8) 23 (6)  
 Maternity 0 3(1) 3 (1)  
 Paediatrics 1 (1) 1 2 (1)  
 Other 2 (1) 3 (1) 5 (1)  
Previous attempts, median (IQR)d
[Range, max – min]e
3 (2, 4)
[1, 10]
2 (2,4)
[1, 10]
2 (2,4)
[1, 10]
0.780
Pain score (0–10) during last attempt, median (IQR)
[Range, max - min]
6 (4,8)
[2, 10]
7 (6, 10)
[3, 10]
7 (5, 9)
[2, 10]
0.130
  1. a SD Standard deviation, b BMI Body mass index, c ICU/CCU Intensive care unit/coronary care unit, d IQR Inter quartile range, e Max – min Maximum – minimum