Table 2

PROMs comparisons between patients treated conservatively and those undergoing surgery.

SurgicalConservative
Preoperative DataMean ± SDMedian (IQR)Mean ± SDMedian (IQR)Student
t test
Mann-Whitney U test
PROMs
NRS back pain5.2 ± 3.25.6 ± 30.61
NRS leg pain3.6 ± 3.24 (0–6)2.6 ± 3.30.5 (0–4.25)0.233
COMI back6.7 ± 2.43.8 ± 2.40.004a
COMI neck3.3 ± 2.12.6 ± 2.40.67
ODI (%)34.6 ± 19.226.9 ± 15.90.15
SRS-22
SRS-22 function3.1 ± 0.83 (2.5–4)3.6 ± 14 (3–4)0.089
SRS-22 pain2.9 ± 1.23.1 ± 10.56
SRS-22 self-image2.5 ± 0.92 (2–3)3 ± 0.93 (2–4)0.047a
SRS-22 mental health2.9 ± 13 (2–4)3.5 ± 0.83.5 (3–4)0.083
SRS-22 satisfaction3.2 ± 1.3 3.5(2.25–4)3.6 ± 14 (3–4)0.533
SRS-22 subtotal2.82 ± 0.73 (2–3)3.4 ± 0.84 (3–4)0.020a
SRS-22 total2.9 ± 0.73 (2–3)3.4 ± 0.84 (3–4)0.014a
SF-36
SF-36 function38.6 ± 8.945.1±9.20.023a
SF-36 physical role33.7 ± 12.442.6 ± 12.80.026a
SF-36 pain38.3 ± 11.941 ± 10.40.43
SF-36 vitality46.5 ± 847.9 ± 9.40.59
SF-36 social function34.9 ± 8.537 (27–37)43.7 ± 12.447 (32–57)0.022a
SF-36 emotional role40.9 ± 1342.5 ± 11.30.67
SF-36 mental health43.8 ± 10.244.8 ± 90.72
SF-36 general health41.9 ± 10.443.2 ± 11.30.68
SF-36 PCS36.7 ± 10.443.3 ± 10.80.048a
SF-36 MCS44.2 ± 11.445.1 ± 10.90.79
  • Parametric data presented as mean ± SD. Nonparametric data presented as median (IQR).

  • aStatistically significant.

  • COMI, Core Outcome Measurement Index; IQR, interquartile range; MCS, mental component summary; NRS, Numerical Rating Scale; ODI, Oswestry Disability Index; PCS, physical component summary; PROM, patient-reported outcome measures; SF-36, 36-item Short Form Health Survey; SRS-22, Scoliosis Research Society 22-item questionaire.