Comparison 3. conservative vs surgical treatment in cervical myelopathy.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 modified JOA score at presentation	1	68	Mean Difference (IV, Fixed, 95% CI)	‐0.5 [‐1.28, 0.28]
2 modified JOA score after 6 months	1	68	Mean Difference (IV, Fixed, 95% CI)	‐0.70 [‐1.62, 0.22]
3 modified JOA score after 12 months	1	68	Mean Difference (IV, Fixed, 95% CI)	‐1.0 [‐1.92, ‐0.08]
4 modified JOA score after 24 months	1	68	Mean Difference (IV, Fixed, 95% CI)	‐0.40 [‐1.33, 0.53]
5 modified JOA score after 36 months	1	49	Mean Difference (IV, Fixed, 95% CI)	‐0.90 [‐1.70, ‐0.10]
6 daily activities evaluation after 6 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
6.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
6.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
6.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
7 daily activities evaluation after 12 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
7.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
7.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
7.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
8 daily activities evaluation after 24 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
8.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
8.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
8.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
9 daily activities evaluation after 36 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
9.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
9.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
9.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
10 timed 10‐meter walk at presentation	1	68	Mean Difference (IV, Fixed, 95% CI)	0.5 [‐0.77, 1.77]
11 timed 10‐meter walk after 6 months	1	68	Mean Difference (IV, Fixed, 95% CI)	1.50 [0.04, 2.96]
12 timed 10‐meter walk after 12 months	1	68	Mean Difference (IV, Fixed, 95% CI)	2.5 [‐0.07, 5.07]
13 timed 10‐meter walk after 24 months	1	68	Mean Difference (IV, Fixed, 95% CI)	4.20 [0.89, 7.51]
14 timed 10‐meter walk after 36 months	1	49	Mean Difference (IV, Fixed, 95% CI)	1.90 [‐0.17, 3.97]
15 self evaluation after 6 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
15.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
15.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
15.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
16 self evaluation after 12 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
16.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
16.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
16.3 didi not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
17 self evaluation after 24 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
17.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
17.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
17.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
18 self evaluation after 36 months	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
18.1 better	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
18.2 unchanged	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
18.3 did not get worse	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]