Table 3 Summary of findings for overall successful intubation, first-pass success, and overall airway complication rates by patient population and team composition
Outcome | Patient population | Intubator group (total no. of studies, total no. of participants) | Pooled prevalence (%, 95% CI) | Intra-group heterogeneity (I2, P value) | Inter-group heterogeneity (P value) |
|---|---|---|---|---|---|
Overall success | Mixed | Non-physician without relaxants (12, 6826) | 76 (71–80) | 90.0%, P < 0.001 | P < 0.001 |
Mixed | Non-physician with relaxants (6, 1160) | 96 (94–98) | 38.5%, P = 0.15 | ||
Mixed | Physician with relaxants (7, 1033) | 99 (95–100) | 86.1%, P < 0.001 | ||
Trauma | Non-physician without relaxants (4, 92) | 71 (50–89) | 65.4%, P = 0.03 | P < 0.001 | |
Trauma | Physician with relaxants (1, 315) | 100 (98–100) | NR | ||
Head injury | Non-physician without relaxants (1, 31) | 71 (53–84) | NR | P < 0.001 | |
Head injury | Non-physician with relaxants (1, 87) | 99 (94–100) | NR | ||
Head injury | Physician with relaxants (1, 108) | 100 (97–100) | NR | ||
Arrested | Non-physician without relaxants (4, 232) | 57 (49–64) | 22.5%, P = 0.28 | P < 0.001 | |
Arrested | Non-physician with relaxants (2, 469) | 90 (87–93) | NR | ||
Arrested | Physician with relaxants (1, 103) | 100 (96–100) | NR | ||
First-pass success | Mixed | Non-physician without relaxants (4, 577) | 55 (48–63) | 45.4%, P = 0.14 | P < 0.001 |
Mixed | Non-physician with relaxants (6, 801) | 73 (67–79) | 63.3%, P = 0.02 | ||
Mixed | Physician with relaxants (6, 794) | 91 (86–95) | 69.3%, P = 0.01 | ||
Trauma | Non-physician with relaxants (1, 59) | 66 (53–77) | NR | NA | |
Head injury | Non-physician with relaxants (1, 87) | 93 (86–97) | NR | NA | |
Arrested | Non-physician with relaxants (1, 434) | 70 (66–74) | NR | NA | |
Overall complications | Mixed | Non-physician without relaxants (5, 463) | 32 (20–45) | 83.7%, P < 0.001 | P = 0.01 |
Mixed | Non-physician with relaxants (3, 608) | 31 (22–40) | NR | ||
Mixed | Physician with relaxants (5, 476) | 8 (1–21) | 92.8%, P < 0.001 | ||
Trauma | Non-physician without relaxants (1, 14) | 43 (21–67) | NR | P = 0.26 | |
Trauma | Non-physician with relaxants (1, 59) | 27 (17–40) | NR | ||
Trauma | Pooled (2, 73) | 30 (19–41) | NR | ||
Head injury | Non-physician without relaxants (1, 31) | 68 (50–81) | NR | P < 0.001 | |
Head injury | Physician with relaxants (2, 296)* | 18 (14–23) | NR | ||
Arrested | Non-physician without relaxants (1, 28) | 46 (30–64) | NR | NA |