Retrospective Study
Copyright ©The Author(s) 2019.
World J Clin Cases. Nov 26, 2019; 7(22): 3718-3727
Published online Nov 26, 2019. doi: 10.12998/wjcc.v7.i22.3718
Table 1 Comparison of clinical data between the two groups of patients, n (%)
Clinical informationSurgery group (n = 39)Conservative group (n = 39)P value
Sex0.071
Male2829
Female1110
Age48.7 (9.6)50.2 (10.1)0.059
Rib fracture (root)5.1 (1.3)4.9 (1.2)0.057
Rib fracture5.6 (1.4)5.4 (1.4)0.054
Chest associated injury0.065
Pulmonary contusion2725
Simple blood chest1514
Blood pneumothorax86
Average chest cumulative AIS1330.985
Chest injury20.073
Clavicle and upper limb fracture55
Mild brain injury23
Hepatic contusion11
Spleen contusion01
Tobacco use16150.075
Table 2 Parameters related to surgery for the surgical group
Surgical parametermean ± SD
Fixed4.744 ± 0.715
Total incision length (cm)7.667 ± 1.143
Operation time (min)60.385 ± 14.345
Intraoperative bleeding (mL)38.461 ± 21.094
Time to chest wall drainage extraction (h)30.769 ± 9.045
Thoracic + chest wall drainage (mL)168.462 ± 54.413
Time to chest drainage extraction(h)34.154 ± 8.937
Table 3 Comparison of SF-36 scores between the surgical group and the conservative group
DimensionSurgery group (n = 39)Conservative group (n = 39)Z/tP value
PF
Postoperative 3 mo52.44 (6.77,60.00)50.00 (50.00,50.00)-1.8100.070
Postoperative 6 mo65.00 (65.00,70.00)d55.00 (50.00,55.00)d-6.8500.000b
RP
Postoperative 3 mo25.00 (0.00,50.00)25.00 (0.00,25.00)-2.0190.043a
Postoperative 6 mo25.00 (25.00,50.00)d25.00 (0.00,25.00)d-3.3800.001b
BP
Postoperative 3 mo52.00 (41.00,52.00)41.00 (31.00,52.00)-2.8290.005b
Postoperative 6 mo62.00 (52.00,74.00)d41.00 (31.00,52.00)d-5.3860.000b
GH
Postoperative 3 mo60.00 (50.00,65.00)55.00 (45.00,65.00)-2.0710.038a
Postoperative 6 mo72.00 (65.00,72.00)d55.00 (50.00,65.00)d-5.8380.000b
VT
Postoperative 3 mo50.00 (45.00,55.00)40.00 (35.00,45.00)-3.9220.000b
Postoperative 6 mo60.00 (55.00,60.00)d45.00 (45.00,50.00)d-6.9600.000b
SF
Postoperative 3 mo62.50 (62.50,62.50)62.50 (50.00,62.50)-3.0920.002b
Postoperative 6 mo75.00 (62.50,75.00)d62.50 (50.00,62.50)d-5.2590.000b
RE
Postoperative 3 mo33.33 (33.33,33.33)0.00 (0.00,33.33)-3.9830.000b
Postoperative 6 mo66.70 (33.33,66.70)d33.33 (0.00,33.33)d-4.9400.000b
MH
Postoperative 3 mo56.00 (52.00,60.00)52.00 (48.00,56.00)-3.1990.001b
Postoperative 6 mo64.00 (60.00,64.00)d52.00 (52.00,56.00)d-6.8100.000b
SF-36 total score
Postoperative 3 mo393.57 ± 68.51335.12 ± 83.113.3890.001b
Postoperative 6 mo493.07 ± 69.97d363.64 ± 72.02d8.0500.000b
Table 4 Comparison of preoperative pain score and postoperative pain score at 24 h in the surgical group
VA scoretP value
Highest preoperative pain6.51 (0.60)9.064< 0.01
Postoperative pain score at 24 h5.48 (0.64)
Table 5 Pairs of pain scores at different time points in the two groups
TimeSurgical groupConservative group
The highest score of preoperative pain (the highest pain score within 72 h after injury)6.51 (0.60)6.31 (0.57)
Pain score at 72 h postoperatively (pain score 1wk after injury)3.95 (0.72)d5.46 (0.55)ad
Pain score at 2wk after surgery (2 wk pain score after injury)2.95 (0.39)d4.67 (0.53)ad
Pain score at 4wk after surgery (4 wk post-injury pain score)2.54 (0.51)d3.92 (0.48)ad
Pain score at 6wk after surgery (6 wk post-injury pain score)1.87 (0.34)d3.33 (0.48)ad
Pain score at 3 mo after surgery (pain score after 3 mo)0.90 (0.45)d2.92 (0.27)ad
Pain score at 6 mo postoperatively (pain score after 6 mo)0.36 (0.49)d2.05 (0.65)ad