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Table 2 Percentage compliance for each ARRIVE subitem; %, percentage of compliant manuscripts; CI, confidence interval; n, number of compliant manuscripts; N, total number of applicable manuscripts; Adj p, adjusted p value; Cohen’s H, Cohen’s H effect size

From: A randomised controlled trial of an Intervention to Improve Compliance with the ARRIVE guidelines (IICARus)

  Control Intervention   
ARRIVE subitem % 95% CIs n N % 95% CIs n N Adj. p Cohen’s H
1 41.76 36.5–47.2 142 340 44.58 39.2–50.1 148 332 > 0.99 0.06
2 71.76 66.6–76.4 244 340 67.47 62.1–72.4 224 332 > 0.99 −0.09
3a 100.00 98.6–100 340 340 100.00 98.6–100 332 332 > 0.99 0.00
3b 34.12 29.1–39.5 116 340 36.14 31–41.6 120 332 > 0.99 0.04
4 91.18 87.5–93.9 310 340 93.07 89.6–95.5 309 332 > 0.99 0.07
5 69.41 64.2–74.2 236 340 72.59 67.4–77.3 241 332 > 0.99 0.07
6a 70.00 64.8–74.8 238 340 75.00 69.9–79.5 249 332 > 0.99 0.11
6b 8.33 5.7–12 28 336 10.49 7.5–14.5 34 324 > 0.99 0.07
6c 90.00 86.2–92.9 306 340 88.86 84.8–91.9 295 332 > 0.99 −0.04
7a 16.76 13–21.3 57 340 16.87 13.1–21.4 56 332 > 0.99 0.00
7b 44.37 38.7–50.2 134 302 51.33 45.5–57.1 154 300 > 0.99 0.14
7c 8.64 5.8–12.5 26 301 14.09 10.5–18.7 42 298 > 0.99 0.17
7d 3.63 1.9–6.6 11 303 3.63 1.9–6.6 11 303 > 0.99 0.00
8a 4.71 2.8–7.7 16 340 7.83 5.3–11.4 26 332 > 0.99 0.13
8b 57.06 51.6–62.4 194 340 62.65 57.2–67.8 208 332 > 0.99 0.11
9a 0.30 0–1.9 1 337 2.74 1.3–5.3 9 328 0.39 0.22
9b 52.06 46.6–57.5 177 340 74.10 69–78.7 246 332 < 0.001 0.46
9c 14.71 11.2–19 50 340 20.48 16.4–25.3 68 332 > 0.99 0.15
10a 37.35 32.2–42.8 127 340 43.67 38.3–49.2 145 332 > 0.99 0.13
10b 3.53 1.9–6.2 12 340 7.53 5–11.1 25 332 > 0.99 0.18
10c 18.15 14.3–22.8 61 336 14.64 11.1–19.1 47 321 > 0.99 −0.10
11a 4.82 2.8–8 15 311 7.49 4.9–11.2 23 307 > 0.99 0.11
11b 1.24 0.4–3.4 4 323 2.88 1.4–5.6 9 313 > 0.99 0.12
12 1.76 0.7–4 6 340 3.01 1.5–5.6 10 332 > 0.99 0.08
13a 87.50 83.4–90.7 294 336 89.91 86–92.9 294 327 > 0.99 0.08
13b 44.08 38.7–49.6 149 338 44.51 39.1–50.1 146 328 > 0.99 0.01
13c 10.06 7.2–13.9 34 338 12.80 9.5–17 42 328 > 0.99 0.09
14 0.29 0–1.9 1 340 0.00 0–1.4 0 332 > 0.99 −0.11
15a 37.35 32.2–42.8 127 340 37.35 32.2–42.8 124 332 > 0.99 0.00
15b 12.65 9.4–16.8 43 340 14.46 10.9–18.8 48 332 > 0.99 0.05
16 78.55 73.7–82.8 260 331 80.94 76.1–85 259 320 > 0.99 0.06
17a 16.47 12.8–20.9 56 340 21.69 17.5–26.6 72 332 > 0.99 0.13
17b 1.18 0.4–3.2 4 340 1.81 0.7–4.1 6 332 > 0.99 0.05
18a 100.00 98.6–100 340 340 99.40 97.6–99.9 330 332 > 0.99 −0.16
18b 26.47 21.9–31.6 90 340 28.31 23.6–33.5 94 332 > 0.99 0.04
18c 2.94 1.5–5.5 10 340 3.01 1.5–5.6 10 332 > 0.99 0.00
19 77.94 73.1–82.2 265 340 77.71 72.8–82 258 332 > 0.99 −0.01
20 51.47 46–56.9 175 340 52.71 47.2–58.2 175 332 > 0.99 0.02