Table 5: Analysis of the failure to meet the secondary assessment indicators and reasons [n=290, cases (%)].

Secondary assessment indicators

Number of cases that did not meet the standard (%)

Number of cases meeting the standard (%)

Main reasons for failure to meet the standards

C5

113 (39)

177 (61)

Disinfection is not standardized and violates the principle of sterility

C11

84 (29)

206 (71)

The exhaust was not successful at once, and there are bubbles.

C15

183 (63)

107 (37)

Knowing the disinfection range and the second disinfection is smaller than the first, but the technique is incorrect and there are gaps in the disinfection

C16

110 (38)

180 (62)

Forgot to check

C19

61 (21)

229 (79)

Incorrect needle insertion angle and technique

C20

99 (34)

191 (66)

Cannot properly withdraw the needle

C24

125 (43)

165 (57)

Inaccurate adjustment

C25

102 (35)

188 (65)

Forgot to check

C30

78 (27)

212 (73)

Forgetting to turn off the regulator when removing the needle