Table 1: Baseline characteristics of participants (n = 89).
IO Arm | CVC Arm | |||
IO Training (n = 36) | Control (n = 37) | CVC Training (n = 51) | Control (n = 38) | |
Female Gender - % (n) | 50 (18) | 57 (21) | 57 (29) | 53 (20) |
PGY2 - % (n) | 100 (36) | 100 (37) | 100 (51) | 100 (38) |
Career Interest - % (n) | ||||
Invasive subspecialty | 33 (12) | 38 (14) | 39 (20) | 26 (10) |
Noninvasive subspecialty | 25 (9) | 11 (4) | 22 (11) | 26 (10) |
Hospitalist | 25 (9) | 32 (12) | 24 (12) | 29 (11) |
Primary care | 11 (4) | 16 (6) | 12 (6) | 11 (4) |
Other | 3 (1) | 3 (1) | 4 (2) | 5 (2) |
Not available | 3 (1) | 0 (0) | 0 (0) | 3 (1) |
Number of CVCs Performed - % (n) | ||||
0 | 19 (7)* | 2 (1)* | 14 (7) | 8 (3) |
1-3 | 44 (16)* | 59 (22)* | 43 (22) | 58 (22) |
4-6 | 25 (9)* | 27 (10)* | 33 (17) | 24 (9) |
> 6 | 8 (3)* | 2 (1)* | 6 (3) | 5 (2) |
Not available | 3 (1)* | 8 (3)* | 4 (2) | 5 (2) |
Number of CVCs Performed - Average (SD) | 2.91 (2.43) | 2.77 (1.82) | 3.12 (2.13) | 2.72 (2.18) |
Number of IOs Performed - % (n) | ||||
0 | 92 (33) | 100 (34) | 94 (48)# | 81 (31)# |
1 | 6 (2) | 0 (0) | 2 (1)# | 13 (5)# |
Not available | 3 (1) | 8 (3) | 4 (2) | 5 (2) |
Number of IOs Performed - Average (SD) | 0.06 (0.23) | 0 (0) | 0.02 (0.14)# | 0.14 (0.35)# |
Knowledge Assessment | (n = 25) | (n = 23) | (n = 29) | (n = 19) |
Raw Score (SD) | 3.84* (0.88) | 2.0* (1.08) | 2.28 (0.58) | 1.89 (0.79) |
Percent of Correct Answers (SD) | 77* (17.6) | 41* (21.65) | 46 (11.94) | 38 (15.75) |
Percent Comfortable Performing Procedure Unsupervised: | ||||
IO | 47# | 16# | N/A | N/A |
CVC | N/A | N/A | 47# | 26# |
Percent Satisfied with Training in Procedure: | ||||
IO | 69* | 11* | N/A | N/A |
CVC | N/A | N/A | 71# | 42# |
* = p < 0.001; # = p < 0.05 | ||||
Key: IO = Intraosseous Catheter; CVC = Central Venous Catheter; PGY2 - Post-graduate year 2; N/A = Not Applicable |