Variables

All respondents

Respondents

in 2014

Respondents

in 2020

P value

Influence of surgical site and position

n = 541

n = 179

n = 362

Consider

529 (97.8%)

177 (98.9%)

352 (97.2%)

0.362

Not consider

12 (2.2%)

2 (1.1%)

10 (2.8%)

Influence of age*

n = 541

n = 179

n = 362

Consider

417 (77.1%)

153 (85.5%)

264 (72.9%)

0.001

Not consider

124 (22.9%)

26 (14.5%)

98 (27.1%)

Fixation material used in head and neck surgery or prone surgery*

n = 529

n = 177

n = 352

Method a

53 (10.0%)

21 (11.9%)

32 (9.1%)

0.005

Method b

170 (32.1%)

72 (40.7%)

98 (27.8%)

Method c

275 (52.0%)

73 (41.2%)

202 (57.4%)

Method d

31 (5.9%)

11 (6.2%)

20 (5.7%)

Fixation material used in pediatric surgery

n = 417

n = 153

n = 264

Method a

100 (24.0%)

29 (19.0%)

71 (26.9%)

0.132

Method b

138 (33.1%)

59 (38.6%)

79 (29.9%)

Method c

142 (34.0%)

54 (35.3%)

88 (33.3%)

Method d

37 (8.9%)

11 (7.2%)

26 (9.8%)