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Table 3

Surgery versus conservative care in patients with neck pain with or without radiculopathy

AuthorOutcomeFollow-up (months)SurgeryConservative treatmentMD or RR
Mean (SD)NMean (SD)N
Pain
 Short-term
  Persson [15]Current pain (VAS)427 (23.0)26PT: 41 (28.6)27MD: 14 (−0.2; 28.2)
27 (23.0)26Collar 48 (23.2)26MD: 21 (8.4; 33.6)
  Cesaroni [16]Pain (% achieving MICD)385 %6266 %5719 %, RR = 1.3 (1.05; 1.6)
  Lofgren [13] (CCT)aMaximal neck pain (VAS)370439039
Maximal arm pain (VAS)370438039
  Birnbaum [12] (CCT)Pain (VAS)320265830
 Long-term
  Cesaroni [16]Pain (% achieving MICD)1295 %6269 %5826 %; RR = 1.37 (1.2; 1.7)
  Mayer [14] (CCT)Pain (VAS)1249 (20)5260 (82)150MD: 11 (−11.7; 33.7)
  Persson [15]Current pain (VAS)1630 (28.1)26PT: 39 (25.8)27MD: 9 (−6.5; 24.6)
Collar 35 (23.2)26MD: 5 (−10.4; 20.4)
  Lofgren [13] (CCT)aMaximal neck pain (VAS)2470438039
Maximal arm pain (VAS)2480437039
  Birnbaum [12] (CCT)Pain (VAS)2423265130
Function
 Short-term
  Cesaroni and Nardi [16]NDI (% achieving MICD)385 %6284 %581 %; RR = 1.03 (0.9; 1.2)
  Lofgren [13] (CCT)aSIP39.2 (6.5)437.0 (6.0)39MD: −2.2 (−5.0; 0.6)
 Long-term
  Cesaroni [16]NDI (% achieving MICD)1298 %6281 %5817 %; RR = 1.2 (1.04; 1.4)
  Lofgren [13] (CCT)aSIP2410.0 (8.1)437.7 (8.3)39MD: −2.3 (−5.9; 1.3)
Overall outcome
 Short-term
  Nardi [17]Recovery340 (80 %)504 (20 %)2060 %; RR = 4 (1.6; 9.7)
 Long-term
  Persson [15]Subjective improvement of disability127 (27 %)26PT: 14 (52 %)27−25 %; RR = 0.5 (0.3; 1.1)
Collar: 11 (42 %)26−15 %; RR = 0.6 (0.3; 1.4)
  Mayer [14] (CCT)Return to work1242 (82 %)52136 (91 %)150−9 %; RR = 0.9 (0.8; 1.02)

Continuous data are presented as a mean (SD), while dichotomous data are presented as a percentage, except where otherwise noted. All pain scales were standardized to a 100-point scale

NDI Neck Disability Index, SIP Sickness impact profile, MD mean difference, RR relative risk, MICD minimal important clinical difference (VAS >25 points improvement; NDI >3.4 point improvement)

Bold values indicate the significant findings

aData derived from graphs

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