1 PDPH by indication |
36 |
9378 |
Risk Ratio (M‐H, Random, 95% CI) |
2.14 [1.72, 2.67] |
1.1 Anaesthesia only |
30 |
8401 |
Risk Ratio (M‐H, Random, 95% CI) |
2.21 [1.60, 3.04] |
1.2 Myelography only |
3 |
548 |
Risk Ratio (M‐H, Random, 95% CI) |
2.01 [1.34, 3.00] |
1.3 Diagnostic lumbar puncture only |
3 |
429 |
Risk Ratio (M‐H, Random, 95% CI) |
2.22 [1.38, 3.58] |
2 PDPH by gauge |
20 |
|
Risk Ratio (M‐H, Random, 95% CI) |
Subtotals only |
2.1 22 gauge |
5 |
877 |
Risk Ratio (M‐H, Random, 95% CI) |
2.15 [1.56, 2.97] |
2.2 25 gauge |
5 |
1260 |
Risk Ratio (M‐H, Random, 95% CI) |
2.48 [1.56, 3.95] |
2.3 27 gauge |
11 |
4076 |
Risk Ratio (M‐H, Random, 95% CI) |
2.87 [1.81, 4.53] |
3 PDPH by gender |
9 |
|
Risk Ratio (M‐H, Random, 95% CI) |
Subtotals only |
3.1 Only women |
9 |
1424 |
Risk Ratio (M‐H, Random, 95% CI) |
2.60 [1.62, 4.17] |
4 PDPH/anaesthesia: type of surgery |
30 |
|
Risk Ratio (M‐H, Random, 95% CI) |
Subtotals only |
4.1 Caesarean section |
8 |
1324 |
Risk Ratio (M‐H, Random, 95% CI) |
3.12 [1.60, 6.10] |
4.2 Orthopaedic procedures |
3 |
994 |
Risk Ratio (M‐H, Random, 95% CI) |
1.35 [0.58, 3.19] |
4.3 Other surgeries |
19 |
6083 |
Risk Ratio (M‐H, Random, 95% CI) |
2.30 [1.50, 3.51] |
5 PDPH by position |
20 |
|
Risk Ratio (M‐H, Random, 95% CI) |
Subtotals only |
5.1 Lateral position |
9 |
3242 |
Risk Ratio (M‐H, Random, 95% CI) |
4.70 [2.39, 9.24] |
5.2 Sitting position |
11 |
2193 |
Risk Ratio (M‐H, Random, 95% CI) |
2.11 [1.52, 2.94] |
6 PDPH by age |
36 |
|
Risk Ratio (M‐H, Random, 95% CI) |
Subtotals only |
6.1 No distinctions by age |
34 |
9063 |
Risk Ratio (M‐H, Random, 95% CI) |
2.17 [1.73, 2.73] |
6.2 Only < 18 years |
2 |
315 |
Risk Ratio (M‐H, Random, 95% CI) |
1.69 [0.56, 5.12] |
7 AE: paraesthesia |
3 |
573 |
Risk Ratio (M‐H, Random, 95% CI) |
0.96 [0.47, 1.96] |
8 AE: backache |
12 |
3027 |
Risk Ratio (M‐H, Random, 95% CI) |
0.94 [0.78, 1.13] |
9 Severe PDPH by indication |
24 |
6420 |
Risk Ratio (M‐H, Random, 95% CI) |
1.88 [1.20, 2.94] |
9.1 Anesthesia |
19 |
5542 |
Risk Ratio (M‐H, Random, 95% CI) |
1.77 [0.88, 3.53] |
9.2 Myelography |
4 |
778 |
Risk Ratio (M‐H, Random, 95% CI) |
1.70 [0.68, 4.28] |
9.3 Diagnostic lumbar puncture |
1 |
100 |
Risk Ratio (M‐H, Random, 95% CI) |
3.0 [1.18, 7.63] |
10 Any headache by indication |
18 |
4104 |
Risk Ratio (M‐H, Random, 95% CI) |
1.35 [1.17, 1.57] |
10.1 Anaesthesia |
16 |
3656 |
Risk Ratio (M‐H, Random, 95% CI) |
1.38 [1.17, 1.63] |
10.2 Myelography |
2 |
448 |
Risk Ratio (M‐H, Random, 95% CI) |
1.34 [0.81, 2.21] |
11 PDPH sensitivity analysis |
3 |
802 |
Risk Ratio (M‐H, Random, 95% CI) |
2.78 [1.26, 6.15] |