Results: risk of phlebitis after PVC insertion was higher than INS's recommendation, mean survival time for PVC without phlebitis level 2 (VIP2) was 3.9 ± 0.1 days (95% CI: 3.7 - 4.1); most of PVC didn't get phlebitis in the first 3 days, mean survival time for 75% PVC without phlebitis level 2 was 3.00 ± 0.154 days.