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Observational Study
©The Author(s) 2026.
World J Psychiatry. Jan 19, 2026; 16(1): 112787
Published online Jan 19, 2026. doi: 10.5498/wjp.v16.i1.112787
Table 3 Univariate analysis of anxiety and depression levels in elderly patients after lumbar interbody fusion, mean ± SD/n (%)
Characteristic
A1 (n = 26)
A2 (n = 27)
A3 (n = 186)
χ2/F value
P value
D1 (n = 30)
D2 (n = 26)
D3 (n = 183)
χ2/F value
P value
Sex8.3200.0166.1010.047
Male6 (23.08)11 (40.74)97 (52.15)18 (60.00)8 (30.77)101 (55.19)
Female20 (76.92)16 (59.26)89 (47.85)12 (40.00)18 (69.23)82 (44.81)
Age (year)72.45 ± 5.3671.85 ± 5.5073.37 ± 4.040.5820.56071.47 ± 4.5272.62 ± 5.7872.49 ± 5.230.6530.521
BMI (kg/m2)21.58 ± 1.1721.59 ± 1.1621.23 ± 0.881.1430.32121.22 ± 1.2021.75 ± 1.1121.57 ± 1.131.6330.197
Symptom duration5.4790.0654.8870.087
< 1 year9 (34.62)18 (66.67)92 (49.46)18 (60.00)17 (65.38)84 (45.90)
≥ 1 year17 (65.38)9 (33.33)94 (50.54)12 (40.00)9 (34.62)99 (54.10)
Education level11.5320.0736.0030.423
Secondary school14 (53.85)6 (22.22)50 (26.88)9 (30.00)8 (30.77)53 (28.96)
Junior high school6 (23.08)7 (25.93)41 (22.04)7 (23.33)4 (15.38)43 (23.50)
High school3 (11.54)10 (37.04)53 (28.49)10 (33.33)11 (42.31)45 (24.59)
College and above3 (11.54)4 (14.81)42 (22.58)4 (13.33)3 (11.54)42 (22.95)
Residence2.3150.3142.7020.259
City13 (50.00)17 (62.96)88 (47.31)18 (60.00)15 (57.69)85 (46.45)
Countryside13 (50.00)10 (37.04)98 (52.69)12 (40.00)11 (42.31)98 (53.55)
Have a partner6.2500.0447.4290.024
Yes9 (34.62)18 (66.67)107 (57.53)19 (63.33)8 (30.77)105 (57.38)
No17 (73.08)9 (33.33)79 (42.47)11 (36.67)18 (69.23)78 (42.62)
Smoking0.2500.8825.9270.052
Yes13 (50.00)15 (55.56)94 (50.54)11 (36.67)18 (69.23)93 (50.82)
No13 (50.00)12 (44.44)92 (49.46)19 (63.33)8 (30.77)90 (49.18)
Alcohol abuse0.5700.7523.2520.198
Yes15 (57.69)13 (48.15)94 (50.54)14 (46.67)9 (34.62)97 (53.01)
No11 (42.31)14 (51.85)92 (49.46)16 (53.33)17 (65.38)86 (46.99)
History of diabetes3.3480.1871.4650.481
Yes17 (65.38)17 (62.96)93 (50.00)19 (63.33)13 (50.00)95 (51.91)
No9 (34.62)10 (37.04)93 (50.00)11 (36.67)13 (50.00)88 (48.09)
History of hypertension1.3010.5221.7040.427
Yes16 (61.54)16 (59.26)96 (51.61)15 (50.00)17 (65.38)96 (52.46)
No10 (38.46)11 (40.74)90 (48.39)15 (50.00)9 (34.62)87 (47.54)
History of coronary heart disease0.2350.8895.0890.079
Yes14 (53.85)15 (55.56)95 (51.08)21 (70.00)11 (42.31)92 (50.27)
No12 (46.15)12 (44.44)91 (48.92)9 (30.00)15 (57.69)91 (49.73)
Preoperative diagnosis9.0690.1342.8770.825
Spondylolisthesis17 (65.38)10 (37.04)121 (65.05)16 (53.33)15 (57.69)117 (63.93)
Scoliosis4 (15.38)7 (25.93)24 (12.90)6 (20.00)4 (15.38)25 (13.66)
Recurrent disc herniation1 (3.85)2 (7.41)7 (3.76)2 (6.67)1 (3.85)7 (3.83)
Stenosis4 (15.38)8 (29.63)34 (18.28)6 (20.00)6 (23.08)34 (18.58)
Number of levels decompressed8.1690.35410.0850.225
18 (30.77)12 (44.44)63 (33.87)14 (46.67)13 (50.00)56 (30.60)
28 (30.77)6 (22.22)72 (38.71)10 (33.33)4 (15.38)72 (39.34)
33 (11.54)6 (22.22)22 (11.83)3 (10.00)4 (15.38)24 (13.11)
44 (15.38)1 (3.71)19 (10.22)2 (6.67)2 (7.69)20 (10.93)
53 (11.54)2 (7.41)10 (5.39)1 (3.33)3 (11.54)11 (6.01)
Number of levels fused11.6540.0207.5420.103
18 (30.77)12 (44.44)87 (46.77)10 (33.33)10 (38.46)87 (47.54)
28 (30.77)8 (29.63)74 (39.78)14 (46.67)7 (26.92)69 (37.71)
≥ 310 (38.46)7 (25.93)25 (13.44)6 (20.00)9 (34.62)27 (14.75)
Chronic opioid use postop1.0020.6066.7770.034
Yes14 (53.85)17 (62.96)98 (52.69)11 (36.67)18 (69.23)82 (44.81)
No12 (46.15)10 (37.04)88 (47.31)19 (63.33)8 (30.77)101 (55.19)
Post- vs pre-surgery ODI scores10.9260.02710.4660.032
Elevated11 (42.31)7 (25.93)30 (16.13)8 (26.67)11 (42.31)33 (18.03)
Reduced6 (23.08)9 (33.33)57 (30.65)11 (36.67)6 (23.08)51 (27.87)
No significant change9 (34.62)11 (40.74)99 (53.23)11 (36.67)9 (34.62)99 (54.10)
Post- vs pre-surgery SF-36 scores10.2320.03310.2070.034
Elevated7 (26.92)14 (51.85)87 (46.77)12 (40.00)9 (34.62)86 (46.99)
Reduced9 (34.62)6 (22.22)24 (12.90)6 (20.00)11 (42.31)27 (14.75)
No significant change10 (38.46)7 (25.93)75 (40.32)12 (40.00)6 (23.08)70 (38.25)


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