Modifiable risks for accidental removal included hand or antecubital fossa insertion compared with forearm ( HR , 2.45 [ 95 % CI , 1.93-3 .10 ] and 1.65 [ 95 % CI , 1.23-2 .22 ] , respectively ) , clinical staff insertion compared with intravenous service ( HR , 1.69 [ 95 % CI , 1.30-2 .20 ] ) ; and smaller PIVC diameter ( HR , 1.29 [ 95 % CI , 1.02-1 .61 ] ) .