Modifiable risks for accidental removal included hand or antecubital fossa insertion compared with forearm ( HR , @ -LSB- @ % CI , @-@ @ -RSB- and @ -LSB- @ % CI , @-@ @ -RSB- , respectively ) , clinical staff insertion compared with intravenous service ( HR , @ -LSB- @ % CI , @-@ @ -RSB- ) ; and smaller PIVC diameter ( HR , @ -LSB- @ % CI , @-@ @ -RSB- ) .