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Table 2 A summary for participants with hip and knee replacement surgery

From: A single-entry model and wait time for hip and knee replacement in eastern health region of Newfoundland and Labrador 2011–2019

Variables

n (%)

Wait time for consultation

Wait time for surgery

Total wait time

Mean (SD)a

Mediana

(Q1-Q3)

pb

Mean (SD)a

Mediana

(Q1-Q3)

pb

Mean (SD)a

Mediana

(Q1-Q3)

pb

Hip replacement surgery (n = 808)

   

Age group

   

0.0121

  

0.4088

  

0.0196

  < 65

363 (44.93%)

90.18 (64.43)

77 (49–105)

 

190.65 (125.70)

164 (101–250)

 

435.59 (354.16)

327 (215–529)

 

  ≥ 65

445 (55.07%)

80.15 (55.08)

68 (48–97)

 

183.27 (119.69)

162 (94–246)

 

381.22 (324.15)

303 (195–458)

 

Diagnosis

   

0.3969

  

0.0073

  

0.1382

 Osteoarthritis

716 (88.61%)

84.14 (57.59)

73 (49–99)

 

190.53 (124.03)

164 (100–254)

 

412 (342.68)

317 (209–482)

 

 Others

92 (11.39%)

88.66 (73.88)

68.50 (42–115)

 

155.90 (104.52)

144 (78–205.5)

 

356.17 (304.38)

269 (180–456)

 

Priority

   

<.0001*

  

0.0206*

  

<.0001*

 P1

195 (24.13%)

57.22 (36.45)

49 (32–78)

 

180.02 (140.78)

148 (89–232)

 

370.84 (376.59)

269 (155–444)

 

 P2

537 (66.46%)

77.19 (32.30)

75 (53–97)

 

192.88 (113.54)

176 (104–260)

 

391.28 (302.70)

315 (218–463)

 

 P3

74 (9.16%)

203.89 (94.87)

194.5 (139–267)

 

155.54 (128.27)

133 (93–177)

 

582.91 (411.57)

476 (279–739)

 

 P4

2 (0.25%)

352.5 (154.86)

352.5 (243–462)

 

283 (127.28)

283 (193–373)

 

1097.5 (166.17)

1097.5 (980–1215)

 

Initial referralc

  

0.0430

  

0.5594

  

0.2996

 Incomplete

32 (3.96%)

104.06 (45.49)

99 (67–133.5)

 

177.03 (92.77)

176 (90.5–227.5)

 

343.75 (177.65)

321 (197–433.5)

 

 Complete

776 (96.04%)

83.86 (60.04)

71.5 (49–98)

 

186.98 (123.51)

162.5 (99–249.5)

 

408.20 (343.68)

313.5 (205.5–483)

 

Patient’s preference

  

0.5281

  

0.0296

  

0.3744

 Next available

582 (72.03%)

84.15 (59.92)

73 (49–98)

 

193.12 (121.89)

169 (104–260)

 

411.24 (335.57)

316 (211–486)

 

 Specific surgeon

226 (27.97%)

85.96 (59.01)

74.5 (49–105)

 

169.76 (122.39)

149 (80–225)

 

391.24 (342.38)

292.5 (178–462)

 

Year of referrald

  

<.0001

  

<.0001

  

<.0001

 2011–2013

239 (29.58%)

114.05 (65.43)

97 (73–139)

 

169.03 (131.06)

139 (92–207)

 

518.70 (457.73)

349 (223–621)

 

 2014–2016

306 (37.87%)

79.25 (60.92)

61.5 (47–96)

 

217.21 (125.84)

199.5 (120–288)

 

431.72 (309.50)

359 (243–504)

 

 2017–2019

263 (32.55%)

64.24 (38.78)

58 (41–85)

 

166.90 (101.72)

152 (87–227)

 

272.57 (146.85)

246 (162–349)

 

Knee replacement surgery (n = 1159)

   

Age group

   

0.0003

  

0.1092

  

<.0001

  < 65

560 (48.32%)

122.59 (82.27)

97 (68–148)

 

227.25 (136.47)

209 (123–297)

 

667 (458.13)

541 (339–885)

 

  ≥ 65

599 (51.68%)

105.78 (71.85)

89 (58–117)

 

215.79 (127.61)

197 (125–288)

 

532.30 (395)

412 (271–646)

 

Diagnosis

   

0.0219

  

0.2926

  

<.0001

 Osteoarthritis

1027 (88.61%)

111.85 (75.84)

92 (61–125)

 

222.93 (131.82)

206.00 (125–296)

 

577.41 (417.56)

452 (296–730)

 

 Others

132 (11.39%)

129.84 (87.96)

109 (66.5–165)

 

208.89 (133.50)

183 (101.5–275.5)

 

753.42 (508.36)

704 (323–1015)

 

Priority

   

<.0001*

  

0.4233*

  

<.0001*

 P1

116 (10.01%)

68.47 (43.10)

54 (37.5–96)

 

204.30 (146.90)

178 (113–479)

 

454.77 (365.14)

324.5 (208–604.5)

 

 P2

754 (65.06%)

82.69 (31.45)

82 (58–99)

 

224.88 (127.01)

214.5 (127–302)

 

530.07 (393.68)

413 (272–649)

 

 P3

283 (24.42%)

210.64 (83.50)

202 (145–268)

 

218.60 (138.38)

196 (120–288)

 

824.47 (463.23)

719 (492–1021)

 

 P4

6 (0.52%)

352.33 (114.00)

382.5 (355–393)

 

233 (148.75)

231.5 (106–297)

 

1117.17 (604.49)

853 (699–1631)

 

Initial referralc

   

0.0686

  

0.2427

  

0.0446

 Incomplete

68 (5.87%)

132.74 (68.98)

114.5 (78.5–172)

 

243.99 (144.89)

229.5 (177.5–304.5)

 

718 (498.09)

550.5 (341–1050)

 

 Complete

1091 (94.13%)

112.73 (77.86)

92 (60–126)

 

219.92 (131.13)

201 (122–290)

 

589.94 (426.95)

464 (296–771)

 

Patient’s preference

  

0.2654

  

0.0030

  

0.0748

 Next available

776 (66.95%)

108.99 (73.63)

95 (61–123)

 

205.85 (126.07)

183 (116–267)

 

612.71 (446.54)

484.5 (306–790.5)

 

 Specific surgeon

383 (33.05%)

116.32 (79.26)

92 (61.5–136.5)

 

228.97 (134.30)

217 (127–304)

 

566.56 (400.56)

443 (278–755)

 

Year of referrald

   

<.0001

  

<.0001

  

<.0001

 2011–2013

396 (34.17%)

144.87 (81.52)

126 (84.5–198.5)

 

210.47 (149.60)

180.5 (108.5–273.5)

 

765.59 (563.02)

604 (339–1045.5)

 

 2014–2016

473 (40.81%)

99.97 (69.18)

84 (55–110)

 

251.27 (127.57)

246 (155–328)

 

610.43 (334.31)

532 (364–804)

 

 2017–2019

290 (25.02%)

94.34 (71.73)

82 (57–98)

 

187.33 (99.47)

176 (108–249)

 

346.71 (175.47)

329.5 (207–437)

 
  1. aEstimated mean and median wait times from Kaplan-Meier analysis
  2. bp-value for differences in survival functions by categorical groups from log-rank tests *p-value for differences in survival functions among three groups: P1-P3 from the log-rank tests
  3. cA standard referral form status when it was sent to the OCI at the first time by family doctors
  4. dThe year when a patient was referred to the OCI for a hip or knee replacement surgery assessment