Modifiable risk factors for occlusion included hand , antecubital fossa , or upper arm insertion compared with forearm ( hazard ratio -LSB- HR -RSB- , @ -LSB- @ % confidence interval ( CI ) , @-@ @ -RSB- , @ -LSB- @ % CI , @-@ @ -RSB- , and @ -LSB- @ % CI , @-@ @ -RSB- , respectively ) ; and for phlebitis , larger diameter PIVC ( HR , @ -LSB- @ % CI , @-@ @ -RSB- ) .